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Before opening any panel, a technician will kill the breaker at the disconnect to de-energize the system — this is not a homeowner step. Refrigerant work is federally regulated under EPA Section 608; certification is legally required for installation, recovery, and recharge.
Per our cost guide, a replacement runs about $3,200–$7,000 installed for central AC alone and $5,800–$12,000 for an AC + furnace system. Six financing options compared: manufacturer promotional financing (check whether it is deferred interest), HELOCs and home equity loans, personal loans, PACE financing (new residential applications only in CA and FL; Missouri closed to new residential PACE on Aug 28, 2024; CFPB ability-to-repay rules effective March 1, 2026), utility rebates, and contractor payment plans. The federal Section 25C tax credit ended for equipment placed in service after Dec 31, 2025 — utility incentives remain for 2026 installs, and state HEEHR rebates (where launched) can help when replacing existing electric equipment, not gas, oil, or propane equipment.
If your HVAC system is failing or you're already planning a replacement, the financing path you choose can change the total cost dramatically. An emergency can push you into a higher-rate path. On a $7,000 system repaid over 5 years, standard loan math puts total interest at about $1,300 at 7% APR, $3,700 at 18%, and $7,900 at 35%. Planning before the failure happens, while you can still shop calmly, is the safer financial decision.
A full HVAC system replacement — central AC, furnace, or both — is one of the largest unplanned home expenses a household faces. Installed costs in our 2026 HVAC cost guide run from $3,200–$7,000 for a central AC alone to $5,800–$12,000 for an AC + furnace system. Writing a check for that amount is not realistic for every household — especially when the replacement is triggered by a sudden failure in extreme weather.
The good news: there are six distinct financing paths for HVAC replacement, ranging from 0% promotional offers through manufacturers to property-secured PACE loans (the U.S. Department of Energy rebate portal is the canonical source for federal incentives still available in 2026). This guide explains each option honestly — including the risks and fine print that are easy to miss.
How Much Does HVAC Replacement Cost in 2026?
Before choosing a financing option, know what you are financing. These installed ranges come from our 2026 HVAC cost guide:
| System Type | Installed Cost Range | Notes |
|---|---|---|
| Central AC only (3 ton) | $3,200–$7,000 | Labor + equipment + basic installation |
| Gas furnace only (80K BTU) | $2,500–$6,500 | High-efficiency models cost more upfront |
| AC + furnace bundle (split system) | $5,800–$12,000 | Both units replaced together |
| Heat pump system (ducted, 2–3 ton, standard efficiency) | $7,600–$9,500 | NREL/LBNL installed-cost model (2022 dollars); cold-climate and high-efficiency systems cost more; state HEEHR rebates now apply only when replacing existing electric heating or cooling (see below) |
| Mini-split (ductless, 1 zone) | $1,800–$5,000 | No ductwork needed |
| Complex retrofit or duct modifications | $500–$2,000+ | Added to the installed price when existing ducts need changes |
To decide whether replacement is even the right call (vs. continuing to repair), see the repair-or-replace decision framework. If you’re leaning toward a heat pump replacement specifically, the heat pump vs. gas furnace comparison walks through the operating-cost math by climate.
Option 1: Manufacturer Financing (0% APR Promotional Offers)
Best for: Homeowners with good credit who can pay off the balance within the promotional window.
Many HVAC manufacturers and installing dealers offer promotional financing through partner lenders. The headline offer is often 0% APR for a set promotional period. These offers can be genuinely useful — if you understand which structure you are signing.
How It Works
Your contractor applies for financing on your behalf through the manufacturer's lending partner. If approved, you receive a credit line for the installation cost. What happens when the promotion ends depends on whether the plan is a true 0% plan or a deferred-interest plan.
The Critical Risk: Deferred Interest
Many promotional plans are deferred interest, not true 0% interest. The difference is significant: with a true 0% plan, interest starts only on whatever balance is left when the promotion ends. With a deferred-interest promotion, the CFPB explains, if you haven’t paid off the balance — or you are more than 60 days late on a minimum payment — before the period ends, you are charged interest on the balance you owed in each month of the promotion. That back-interest is calculated at the plan’s standard APR, which is printed in the credit agreement — read it before you sign.
If you use manufacturer financing, calculate the exact monthly payment required to pay off the full balance one month before the promotional period ends. Set up autopay for that amount and set a calendar alert 60 days before the deadline. A single missed payment or a remaining balance of any size can trigger a very large retroactive interest charge.
Pros and Cons
- ✅ No interest if the balance is paid off in time
- ✅ Approval is often handled at the contractor’s office
- ✅ No collateral required
- ⚠️ Deferred interest risk if balance remains at promotion end
- ⚠️ The standard APR that applies after the promotion can be high — check it in the agreement
- ⚠️ Promotional terms usually go to borrowers with good credit; each lender sets its own cutoff
Option 2: Home Equity Loan or HELOC
Best for: Homeowners with significant equity and good credit who want the lowest long-term interest rate.
A home equity loan gives you a lump sum at a fixed interest rate, secured against your home's equity. A HELOC (Home Equity Line of Credit) works like a credit card secured by your equity — you draw what you need and pay interest only on the balance drawn.
How the Rates Work
Home equity loans usually carry a fixed rate. HELOCs are different: per the CFPB, “HELOCs usually have a variable interest rate, so your payments may change from month to month.” Your rate depends on your credit score, how much equity you keep, and the lender, so get written quotes from more than one lender and compare them with any personal-loan offer.
Requirements
- Lenders require you to keep a minimum share of equity in the home after the loan; the minimum varies by lender
- Lenders also set their own minimum credit score
- Closing costs: home equity loans can carry closing costs; some HELOCs have lower or waived closing costs — get them in writing
- Approval usually takes weeks because of appraisal and title work — not suited to an emergency replacement
Pros and Cons
- ✅ Secured by your home, so often priced below unsecured borrowing — compare quotes
- ✅ Longer repayment terms keep monthly payments low
- ✅ Interest may be tax-deductible if used for home improvement (consult a tax professional)
- ⚠️ Uses your home as collateral — failure to pay puts home at risk
- ⚠️ Approval takes weeks — not available for emergency replacements
- ⚠️ Closing costs and fees add to the total cost
Connect with a local independent HVAC provider. Many offer financing options directly — ask about promotional rates when you call.
Call Now — (844) 582-1795Disclosure: We are a referral service and may receive compensation for qualified calls. Calls may be routed to an independent provider network and may be recorded. Pricing and availability vary by provider and location.
Option 3: Personal Loan
Best for: Homeowners who lack home equity or need funds faster than a HELOC allows, and have good credit.
Personal loans from banks, credit unions, and online lenders are unsecured — no collateral required. Loan amounts and terms vary by lender. The major drawback is interest rate: unsecured loans are usually priced higher than borrowing secured by your home.
What a $7,000 Loan Costs at Different APRs
Your rate depends on your credit profile and the lender. For reference, the Federal Reserve’s G.19 Consumer Credit release of September 8, 2026 put the average commercial-bank rate on 24-month personal loans at 11.86% for the latest quarter; individual offers vary widely. The table below is standard loan math for $7,000 repaid over 5 years at illustrative APRs — not a quote.
| APR (illustrative) | Monthly Payment ($7,000, 5 yr) | Total Interest Over 5 Years |
|---|---|---|
| 7% | $138.61/mo | $1,317 |
| 12% | $155.71/mo | $2,343 |
| 18% | $177.75/mo | $3,665 |
| 25% | $205.46/mo | $5,328 |
| 35% | $248.43/mo | $7,906 |
Pros and Cons
- ✅ No collateral — home not at risk
- ✅ Usually faster to fund than a HELOC (no appraisal)
- ✅ Fixed rate and fixed monthly payment
- ⚠️ Higher rates than secured options for equivalent credit
- ⚠️ Rates can be very high with fair or poor credit
Option 4: PACE Financing
Best for: Homeowners in California or Florida who have home equity but limited credit options.
PACE (Property Assessed Clean Energy) financing is unique: it is secured against the property itself through a tax assessment, not against your personal credit. The loan is repaid as a line item on your property tax bill. Approval is not based on a credit score alone — but since March 1, 2026, federal rules require the lender to evaluate your ability to repay, including your credit history (see the CFPB rule note below).
How PACE Works
- You apply through a residential PACE program authorized where you live — ask your county or city which PACE administrators are active there.
- If approved, the PACE provider pays your contractor directly. Approval criteria changed in 2026 — see the CFPB rule note below.
- A lien is placed on your property, and repayment is collected through your property tax bill over a set term. The rate and term appear on the Loan Estimate the provider must now give you.
- If you sell the home, the PACE assessment may remain with the property (transferring to the buyer) — this must be disclosed to buyers and requires first-mortgage lender approval in many states.
The Consumer Financial Protection Bureau’s final rule on residential PACE took effect March 1, 2026. PACE lenders are now required to evaluate a borrower’s ability to repay using the same eight factors used for traditional mortgages under 12 CFR 1026.43(c)(2) — including income or assets, current debts, debt-to-income ratio, and credit history — and to provide mortgage-style Loan Estimate and Closing Disclosure forms. PACE is no longer a “no credit check” product: your credit history is part of the decision. This is a meaningful homeowner protection but it also reduces who qualifies. Confirm requirements with your specific PACE provider before assuming you’ll be approved.
Qualifying Equipment
Not all HVAC equipment qualifies. PACE is designed for energy-efficient improvements — qualifying systems typically include ENERGY STAR-rated central AC, heat pumps, and high-efficiency furnaces. Standard efficiency equipment may not qualify. Confirm with the PACE provider before proceeding.
A PACE lien can take priority over your existing mortgage (the CFPB’s final rule discusses this lien priority), which can complicate home sales and refinancing. Some first-mortgage lenders will not approve or refinance a home with an active PACE lien. Check with your mortgage lender before entering a PACE agreement, and fully disclose the lien to any future buyer. PACE is a legitimate tool but one with strings attached that are often not explained clearly at the point of sale.
Pros and Cons
- ✅ Secured by the property rather than a credit score alone — though no longer a "no credit check" product after the March 2026 CFPB rule
- ✅ Long repayment terms spread out the cost
- ✅ May be transferable to buyer at sale
- ⚠️ Lien on property can complicate sale and refinancing
- ⚠️ Rates and fees vary by provider — compare the APR on the PACE Loan Estimate with HELOC and personal-loan quotes
- ⚠️ Residential PACE is currently accepting new applications only in California and Florida. Missouri previously had R-PACE programs (St. Louis County, Kansas City), but state law SB 736 (2024) prohibits new residential PACE projects after August 28, 2024 — existing Missouri contracts remain in force, but no new applications are accepted in MO. Some industry sites (including PACENation's program map) still list Missouri among states where R-PACE is "currently offered" — that framing refers to operation of pre-2024 legacy contracts, not acceptance of new applications. Commercial PACE (C-PACE) programs are for businesses, not homeowners.
- ⚠️ Only qualifying energy-efficient equipment is eligible
Option 5: Utility Rebate Programs
Best for: Every homeowner replacing HVAC equipment — rebates reduce upfront cost for everyone regardless of credit.
Utility rebate programs are not financing — they reduce the upfront cost of qualified equipment by providing cash back (or a bill credit) after installation. Amounts and eligible equipment vary widely by utility. Utility rebates are independent of federal tax law and are unaffected by the 2025 termination of the Section 25C credit. Ask each program whether its rebate can be combined with a state HEEHR rebate where your state has launched one.
How to Find Your Utility's Rebates
- Search the DSIRE database — a free searchable database of state and utility incentive programs.
- Check your utility’s website directly — look for an energy-efficiency or rebates section.
- Ask your HVAC contractor which equipment qualifies for local rebates and who files the paperwork.
Option 6: Contractor Payment Plans
Best for: Established relationships with a contractor, or situations where speed matters and other options are unavailable.
Some HVAC contractors offer their own in-house payment plans — usually a deposit at installation with the remainder paid over a few months. These are less formal than institutional financing and terms vary significantly by contractor.
What to Know
- Some in-house plans are interest-free for a short term — confirm in writing whether any interest or fee applies.
- Some contractors use third-party consumer financing companies and call it their "payment plan" — confirm whether it is truly in-house or a referral to a lender with a high rate.
- Get the full terms in writing before installation: deposit amount, payment schedule, total amount due, and any late payment penalties.
- This is best treated as a short-term bridge — use it to cover the installation if you need time to arrange a HELOC or other lower-rate financing.
Federal Tax Credits — Status After OBBBA (2026)
The federal Energy Efficient Home Improvement Credit (Section 25C) was terminated by the One Big Beautiful Bill Act (Public Law 119-21, signed July 4, 2025). The IRS OBBB FAQ (FS-2025-05) states: “The credit will not be allowed for any property placed in service after December 31, 2025.” The companion Residential Clean Energy Credit (Section 25D, geothermal/solar) was terminated on the same date. HVAC equipment installed in 2026 does not qualify for the federal tax credit.
Historical Reference: What 25C Covered for 2025 Installations
If your HVAC was installed by Dec 31, 2025, you may still claim the credit on your 2025 tax return (filed in early 2026) using IRS Form 5695. The credit was nonrefundable — reduces tax liability but does not generate a refund. The amounts that applied:
| Equipment Type (Installed 2023–2025 Only) | Credit | Requirement |
|---|---|---|
| Central AC | 30%, up to $600 | Met the CEE highest non-advanced efficiency tier; counted toward the $1,200 annual limit |
| Gas/propane/oil furnace | 30%, up to $600 | Met the CEE highest non-advanced efficiency tier; counted toward the $1,200 annual limit |
| Heat pump (heating + cooling) | 30%, up to $2,000 | Met the CEE highest non-advanced efficiency tier; separate $2,000 annual limit |
| Weatherization (air sealing, insulation) | 30% | Shared the same $1,200 annual limit as central AC and furnaces |
Per the IRS Section 25C page, central AC, furnaces, and insulation/air sealing shared one $1,200 annual limit; heat pumps had a separate $2,000 annual limit. Historical reference for 2025 installations only. The Section 25C credit was terminated for installations placed in service after Dec 31, 2025. Consult a tax professional to confirm eligibility for your specific 2025 install.
What’s Still Available in 2026
Two federally-funded paths remain for HVAC replacement in 2026:
- State High-Efficiency Electric Home Rebate (HEEHR) program — an income-qualified rebate program funded by the Inflation Reduction Act and run through state energy offices. Under 42 U.S.C. 18795a, rebates can cover up to 100% of project cost for households under 80% of area median income and up to 50% for households at 80–150% AMI, capped at $8,000 for a heat pump and $14,000 per household. Important change: DOE’s HEEHR Program Notice 26-2 (effective May 29, 2026) removed rebates for fuel-switching — replacing a gas, oil, or propane furnace or boiler with a heat pump — and now allows HVAC rebates “only from existing electric equipment to more efficient electric equipment,” plus HVAC in new construction. The same notice requires homes to use insulation and air-sealing rebates first unless they already meet a state-specified level. So HEEHR can help if you are replacing electric resistance heat or older electric equipment; it generally will not pay for a switch away from gas. DOE says Home Energy Rebates “are now available in select states” — rules and timing vary by state, so check with your state energy office for status.
- Utility rebates — many electric and gas utilities offer rebates for installing high-efficiency HVAC equipment. These are independent of federal tax law and unaffected by OBBBA. Check the DSIRE database (dsireusa.org) for state, utility, and local incentives.
State-level credits and incentives may also exist depending on where you live. The DOE rebate portal is the canonical reference for what’s currently active.
How Do HVAC Financing Options Compare?
| Option | Typical Rate | Credit Required | Speed | Best For |
|---|---|---|---|---|
| Manufacturer 0% financing | 0% (promotional), then the plan’s standard APR | Lender-set; promo terms usually need good credit | Often same day | Good credit, can pay off within the promotional period |
| Home equity loan / HELOC | Fixed (loan) or usually variable (HELOC) | Lender-set; equity required | Weeks | Planned replacements; secured, so often lower-priced |
| Personal loan | Varies widely with credit | Lender-set | Days | No home equity; emergency replacement |
| PACE financing | Varies by provider (see Loan Estimate) | Credit history reviewed (CFPB ability-to-repay rule) | Weeks | 2 states only for new applications (CA, FL); MO closed to new R-PACE Aug 2024; ATR rules eff. Mar 1, 2026 |
| Utility rebates | N/A (not a loan) | None | After installation | Every homeowner — ask whether it combines with other programs |
| Contractor payment plan | 0% (short term) or varies | Varies | Immediate | Short-term bridge; established contractor relationship |
Which Financing Option Is Right for Your Situation?
Six options is a lot — here is the fast triage. Match your situation to one of these scenarios and the answer becomes clear in 30 seconds. (For the underlying replace-or-repair decision itself, the repair-or-replace framework is the prerequisite read.)
| Your Situation | Best Option | Why |
|---|---|---|
| Emergency replacement, good credit, can pay off within the promotional period | Manufacturer 0% APR | Approval often at the contractor’s office; no interest if the balance is paid by the deadline. Check whether it is deferred interest before you sign. |
| Planned replacement, meaningful home equity, good credit | HELOC or home equity loan | Secured by the home, so often priced below unsecured loans. Interest may be deductible if the loan substantially improves the home (IRS Publication 936; consult a tax professional). |
| Need fast funding, no home equity, decent credit | Personal loan | Faster to fund than a HELOC. Fixed rate, no collateral. Usually a higher rate than secured options. |
| Limited credit options, equity-rich, in CA or FL (Missouri closed to new R-PACE Aug 2024) | PACE financing | Property-secured. Since March 1, 2026 the CFPB rule requires an ability-to-repay review that includes credit history, so it is not a "no credit check" product. |
| Any homeowner replacing equipment | Utility rebates (alongside other options) | Reduces the upfront cost regardless of credit; amounts vary by utility. Always check DSIRE and your utility before scheduling installation. |
| Income-qualified, replacing existing electric heat or AC with a heat pump, in a HEEHR-active state | HEEHR rebate + HELOC for the rest | By statute, HEEHR caps the heat-pump rebate at $8,000 ($14,000 per household in total) and can cover up to 100% of project cost for households under 80% AMI (up to 50% at 80–150% AMI). Under DOE’s current program rules, replacing a gas, oil, or propane system does not qualify. See the heat pump vs. gas furnace comparison for whether the technology fits your climate before applying. |
| Short-term cash bridge, established contractor relationship | Contractor in-house plan | May be interest-free for a short term — get it in writing. Use as a stopgap while you arrange a HELOC or personal loan with better terms. |
All financing rates and approval criteria above are illustrative ranges; actual terms vary by lender, credit profile, and market conditions and are subject to change. Confirm current rates with each lender before signing.
If your existing system is the trigger for this decision, the diagnostic guides walk through whether replacement is even necessary: furnace not working diagnostic guide, complete AC troubleshooting guide. Sometimes a repair is the better call and avoids the financing question entirely.
Connect with a local independent HVAC provider for installation quotes. Ask specifically about financing options and qualifying rebates when you call.
Call Now — (844) 582-1795Disclosure: We are a referral service and may receive compensation for qualified calls. Calls may be routed to an independent provider network and may be recorded. Pricing and availability vary by provider and location.
Frequently Asked Questions
There is no single cutoff — each lender sets its own minimum, and promotional 0% terms usually go to borrowers with good credit. Personal loans are offered across a wider range of scores, but at much higher rates for lower scores. HELOCs require both acceptable credit and enough home equity. PACE financing (new applications in CA and FL only) is secured by the property, but since March 1, 2026 the lender must review your ability to repay, including your credit history. A contractor payment plan may be the most accessible path if your credit is limited.
Not necessarily, but many of these promotions are deferred interest — not true 0%. If you pay off the full balance before the promotional period ends, you pay no interest. If a balance remains at the deadline, or you are more than 60 days late on a minimum payment, the CFPB explains that you are charged interest for each month of the promotion, at the plan’s standard APR. Calculate the exact payoff payment required and set up autopay before accepting these offers. Note: APR figures in this article are illustrative — actual rates vary by lender, credit profile, loan term, and market conditions, and rates are subject to change. Always confirm current rates with your lender before signing.
PACE (Property Assessed Clean Energy) financing allows homeowners to fund qualifying HVAC equipment through an assessment added to their property tax bill. The rate and term vary by provider and appear on the Loan Estimate the provider must give you. The key risks: a PACE lien can take priority over your existing mortgage, can complicate refinancing, and must be disclosed to any future buyer. Residential PACE is currently accepting new applications only in California and Florida. Missouri previously had R-PACE programs (St. Louis County, Kansas City), but state law SB736 prohibits new residential PACE projects after August 28, 2024 — existing Missouri contracts remain in force, but no new applications are accepted. As of March 1, 2026, a CFPB final rule applies mortgage-style ability-to-repay standards to residential PACE, including a review of your credit history.
Not for installations after Dec 31, 2025. The federal Section 25C Energy Efficient Home Improvement Credit was terminated by the One Big Beautiful Bill Act (Public Law 119-21); the IRS states: "The credit will not be allowed for any property placed in service after December 31, 2025." If your HVAC was installed in 2025, you may still claim the credit on your 2025 tax return (Form 5695) — up to $600 per item for a central AC or furnace (within a combined $1,200 annual limit) and up to $2,000 for a qualifying heat pump. For 2026 installations, look at your utility's rebate programs and, if you are replacing existing electric heating or cooling, your state's High-Efficiency Electric Home Rebate (HEEHR) program; under DOE's current program rules, HEEHR no longer covers switching from gas, oil, or propane equipment. Consult a tax professional to confirm eligibility.
If you can access 0% promotional financing and can realistically pay it off before the promotion ends, financing costs no more than cash. If financing carries interest, weigh the total interest paid against what your cash savings would earn. Paying cash avoids interest entirely; otherwise, compare written APR quotes (HELOC, personal loan, promotional plan) and pick the lowest total cost. Avoid carrying HVAC debt at a high APR if a lower-cost alternative exists.
Approval timelines vary widely. Manufacturer promotional financing is often approved at the contractor’s office. Personal loans from online lenders can fund within days. PACE takes longer, and the CFPB ability-to-repay review that took effect March 1, 2026 adds steps. HELOC and home equity loan applications usually take weeks because they require an appraisal and title work. Contractor in-house payment plans can start immediately. If your HVAC has already failed and the home is uncomfortable, manufacturer financing or a personal loan are usually the fastest options. Note: rates and approval criteria vary by lender and individual credit profile and are subject to change.
Usually, yes. Manufacturer financing, personal loans, and HELOCs typically involve a hard credit inquiry. Per myFICO, for most people one additional inquiry takes less than five points off their FICO Scores; inquiries affect FICO Scores for one year and stay on the report for up to two years. On-time payments on the new account then build positive history. PACE is not exempt: since March 1, 2026 the CFPB rule requires PACE lenders to consider your credit history, so ask the provider how it checks credit. Ask a contractor whether its in-house plan reports to credit bureaus. The largest credit-score risk is missing a payment on manufacturer deferred-interest financing — this can cause both a missed-payment ding AND the retroactive interest charge that triggers the loan to balloon.
Watch for four red-flag patterns. First, high-pressure same-day-only offers — pressure to sign before you can read the terms is a closing tactic. Second, contractors who refuse to give written quotes without committing to financing first — separate the equipment quote from the financing decision. Third, vague payment terms — get the exact APR, total cost over the term, and exact payoff date in writing. Fourth, bundled add-ons — extended warranties, maintenance contracts, and service plans rolled into the financing inflate the principal you pay interest on. Always read the deferred-interest fine print on 0% APR offers. If a contractor is the one telling you what financing to choose rather than letting you compare options, that is a flag. Consult published consumer-protection resources from CFPB before signing.
It depends on the loan type and how the funds are used. Per IRS Publication 936, interest on a loan secured by your home is deductible only to the extent the proceeds buy, build, or substantially improve that home (an improvement is substantial if it adds value, prolongs the home’s useful life, or adapts it to new uses), and only if you itemize. Personal interest — such as credit card and installment interest for personal expenses — is not deductible (IRS Topic 505). Ask a tax professional how a PACE assessment is treated. Federal Section 25C tax credits are separate from interest deductibility and were terminated for installations after Dec 31, 2025. This is general guidance, not tax advice — consult a qualified tax professional to confirm eligibility for your specific situation.
- The HVAC Repair-or-Replace Decision Framework — before financing the replacement, confirm replacement is the right call
- Heat Pump vs. Gas Furnace: Cheaper to Run? — if heat pump replacement is on the table, the operating-cost math by climate
- The 2026 HVAC Cost Guide — canonical pricing for every replacement and repair line item
- The Year-Round HVAC Maintenance Playbook — the maintenance schedule that delays replacement timing
Local HVAC Service Areas
Cool Call Pro connects homeowners with independent HVAC technicians nationwide. Find a pro in New Orleans (LA), San Antonio (TX), Denver (CO), or your city. Browse state HVAC guides: Louisiana, Texas, and Colorado.