Best Heat Pump Replacement Companies in Denver, CO
Heat Pump Replacement in Denver: sizing + authorization
A replacement or conversion is bid on Manual J load calculation, manufacturer authorization, and matched-system commissioning — oversizing is the #1 cause of comfort complaints. Here is what each of the 4 contractors below publishes: In Colorado, HVAC licensing is municipal (Denver requires a Class A or Class B mechanical license) — verify with your local building department before paying.
Top picks
Consistently strong customer feedback (4.9★ from 830+ Google reviews).
Google 4.9★ (830+)
Consistently strong customer feedback (4.8★ from 1,245+ Google reviews).
Google 4.8★ (1,245+)
Consistently strong customer feedback (5.0★ from 295+ Google reviews).
Google 5.0★ (295+)
Consistently strong customer feedback (4.9★ from 150+ Google reviews).
Google 4.9★ (150+)
Typical Heat Pump Replacement costs in Denver, CO (2026)
Last updated
Estimated ranges for Denver, CO. Actual cost varies with home size, equipment, and scope — always request a written quote for your job.
| Service | Typical range |
|---|---|
| Ducted air-source heat pump + air handler, full system (installed) | $8,400–$16,800 |
| Air handler replacement (paired with heat pump) | $1,550–$3,650 |
| Ductwork modification (resize / re-balance per Manual D) | $630–$2,300 |
Why Denver’s altitude and cold snaps change Heat Pump Installation choices
Denver’s high altitude lowers air density and deep cold snaps strain heat pump performance, so equipment sizing and cold‑climate refrigerants matter more than in lower-elevation metros. The best heat pump installation companies in Denver, CO emphasize cold-weather specs and experienced installers for reliable year-round operation.
How much work does a Heat Pump Installation usually involve in Denver neighborhoods?
- Can I replace my gas furnace with a heat pump?
- Yes — a heat pump both heats and cools, so it can fully replace a gas furnace. In colder areas a dual-fuel setup keeps the furnace as backup for the coldest days. Either way, insist on a Manual J load calculation; conversions can need duct resizing or an electrical upgrade.
- When is replacing an old heat pump better than repairing it?
- If it's past 12–15 years, still uses phased-out R-410A refrigerant, needs a compressor, or the repair bill approaches a third of replacement cost, replacing usually wins. A reputable contractor compares both paths before recommending.
- When is the busiest season for heat pump installers in Denver and how does that affect scheduling?
- Busiest demand typically aligns with seasonal extremes, especially pre‑winter and early summer. Peak demand can extend lead times for installations. Schedule inspections and quotes well before freeze–thaw periods to secure preferred slots and avoid rush pricing or delayed parts delivery.
- How should homeowners in Highland or Washington Park prepare older homes for a heat pump swap?
- Prepare by documenting existing ductwork, insulation, and any previous refrigerant type. Older bungalows often need duct sealing or modest adjustments to maintain efficiency at altitude. Share photos and utility bills with bidders to speed accurate load calculations and scope estimates.
- What red flags should rule out a Denver contractor during evaluation?
- Red flags include missing elevation‑adjusted Manual J, refusal to pull permits, vague warranty terms, and lack of cold‑climate model experience. Avoid bids that omit mounting details or line insulation for freeze protection. Insist on written scope, permit confirmation, and references from recent Denver installs.
- What does heat pump installation service typically run in Denver, CO?
- Ducted air-source heat pump + air handler, full system typically runs $8,400–$16,800 in Denver, Colorado. See the Heat Pump Installation pricing table on this page for the full per-service breakdown.