HVAC cost calculator
HVAC System (AC + Heat Pump) cost estimator
Estimate full HVAC system cost — central AC + furnace OR all-electric heat pump — with state-adjusted 2026 pricing and 25C / HEEHRA rebate overlay. Answer 4 quick questions and get a state-adjusted cost breakdown.
What HVAC system are you installing?
Frequently asked questions
State-specific hvac cost guides
Long-form 2026 guides with metro-level labor rates, permit details, and budgeting tips — written specifically for 5 states.
HVAC
HVAC Cost in Arizona 2026 — Phoenix Summer-Load Math + APS/SRP/TEP Heat-Pump Rebates
Real 2026 Arizona HVAC pricing for 110°F+ summer load — central AC ($7K-$14K) vs SEER2 18+ heat pump ($13K-$24K). APS / SRP / TEP rebate math, demand-charge avoidance, and why high-SEER pays off faster in AZ than anywhere else.
Read the guide
Furnace
Furnace Cost in Massachusetts 2026 — Oil-to-Heat-Pump Conversion Math + Mass Save 75-100% Stack
Real 2026 Massachusetts heating-system pricing — oil-to-heat-pump conversion ($13K-$22K before incentives, $4K-$10K after Mass Save stack), boiler replacement ($9K-$16K), gas furnace ($5.5K-$11K). Why MA has the best heat-pump conversion economics in the US.
Read the guide
Insulation
Insulation Cost in Massachusetts 2026 — The Mass Save 75-100% Rebate Playbook
Real 2026 Massachusetts insulation pricing — attic, walls, crawlspace, whole-home weatherization. The Mass Save 75-100% rebate playbook (most US homeowners pay $0-$1,200 out-of-pocket), prerequisite for heat-pump conversion, and how to game the free home energy assessment.
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Furnace
Furnace Cost in Minnesota 2026 — Cold-Climate Heat Pump Math at −20°F and Why Dual-Fuel Wins
Real 2026 Minnesota heating-system pricing — gas furnace ($6K-$12K), cold-climate heat pump ($14K-$24K), dual-fuel ($17K-$28K). Xcel Energy + CenterPoint rebate stack, MN HEEHRA launch math, and why dual-fuel beats both single-system paths in MN.
Read the guide
HVAC
HVAC Cost in Texas 2026 — Summer-Load Math, ERCOT Time-of-Use, and Heat-Pump Payback
Real 2026 Texas HVAC pricing — central AC ($6.5K-$13K) vs heat pump ($11K-$22K) — sized for 95°F-day cooling loads. ERCOT time-of-use rate math, Oncor/CenterPoint utility rebates, and why TX heat-pump payback runs faster than the national average.
Read the guideEstimate full HVAC system cost — central AC + furnace OR all-electric heat pump — with state-adjusted 2026 pricing and 25C / HEEHRA rebate overlay. Our 2026 hvac cost model combines state-specific labor + materials data with a quality-tier multiplier and a 3-input scope wizard, so the band you see reflects YOUR specific project — not a national average. Replacement timelines: central AC swap 1 day; furnace swap 1–2 days; full split-system replacement 2–3 days; heat-pump install 2–4 days (longer in cold-climate states needing supplemental electric strip heat). Add 1–2 weeks lead-time for utility-rebate paperwork pre-approval. Whatever you do, don't budget against a 2019-2021 number — 2022-2024 construction inflation was 18-30% and only partially mean-reverted.
How this calculator works
- What HVAC system are you installing? — Pick from: Central AC + gas furnace, Heat pump (all-electric), Mini-split (ductless heat pump), Dual fuel (heat pump + furnace), Central AC only. The choice maps to a specific cost band in our 2026 dataset.
- How large is the conditioned area? — Pick from: Under 1,500 sqft, 1,500–2,500 sqft, Over 2,500 sqft. The choice maps to a specific cost band in our 2026 dataset.
- Single-stage / two-stage / variable-speed? — Pick from: Budget (single-stage), Mid-range (two-stage), High-end (variable-speed). The choice maps to a specific cost band in our 2026 dataset.
- Pick your state — HVAC System (AC + Heat Pump) cost varies materially by state — California and New York run ~40% above the national base, midwest states ~15% below. Our state multiplier adjusts the 3-input base estimate to your local labor + materials market.
- Review the range, not a single number — 2026 hvac pricing is too project-specific for a single number to be honest. We give you a low–high band that covers ~70% of realistic 2026 quotes for that scope in that state. Treat the midpoint as your planning anchor, the upper bound as your contingency floor.
When to use this vs. skip it
Pre-quote sanity check
Run this BEFORE the first contractor walks your property. Knowing the realistic 2026 range for your hvac project (state-adjusted) keeps you from getting baseline-shifted on the first quote.
Comparing 2-3 written quotes
If one of your contractor quotes lands more than 25% above our state-adjusted band, request a line-item breakdown — that's almost always the gap between "fair" and "padded."
Budgeting a future hvac project
Most homeowners budget against a 2019-2021 number they remember. 2022-2024 saw 18-30% labor and materials inflation. Run our numbers so your budget reflects 2026 reality.
Right-sizing a renovation loan
Borrowing too little forces emergency credit mid-project at 22-29% rates. Our estimate + your contingency (we recommend 15%) sizes the financing correctly the first time.
Common mistakes homeowners make
- ×Skipping: Heat pumps qualify for the 30% federal 25C credit up to $2,000 (vs $600 max for a high-efficiency gas furnace) — heat pump is the IRA-favored path for most US homeowners in 2026.
- ×Skipping: In cold-climate states (MN/WI/ND/ME/MT/NH/VT), spec a cold-climate-rated heat pump (CCHP) with backup electric strip heat OR keep a gas furnace as backup for dual-fuel resilience below ~5°F.
- ×Skipping: Manual J load calc ($150–$400 from a 3rd-party HVAC consultant) saves more than its cost — most contractors oversize systems by 25–40%, hurting humidity control AND efficiency.
- ×Skipping: Stack federal 25C + state credit + utility rebate + HEEHRA POS rebate (if income-qualified). Don't assume your contractor knows the full stack — bring a printout from /state-utility-rebate-lookup.
- ×Skipping: Heat pump SEER2 16+ and HSPF2 8+ is the 2026 efficiency sweet spot — beyond that, marginal payback >12 years for most climates.
- ×Accepting the first contractor quote without 2-3 written comparisons.
- ×Forgetting the 10-15% contingency line — every 2026 hvac project has at least one mid-job surprise.
- ×Underweighting the permit + inspection timeline; permits run 1-4 weeks BEFORE work begins in most U.S. cities.
Last updated · Reviewed by the HavenCostGuide methodology desk
HVAC cost by state
See state-specific cost ranges and FAQs for hvac system (ac + heat pump) projects.