Most requested
Furnace Repair
Heating is what Fort Collins needs most, so furnace repair leads this directory: no heat, short cycling, cold air, and the honest call on whether a repair is worth the money.
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All services
HVAC Services in Fort Collins, CO
Thirty-eight services, one phone number. Heating first — furnace repair, installation, and maintenance for a zone 5B city — plus cooling, heat pumps, ductless, ducts, air quality, and the commercial refrigeration our reviews are built on.
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5.0 stars · 23 Google reviewsEvery review five stars
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Open 24 hoursCall any time, day or night
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Heating-first, sized for altitudeZone 5B at 5,003 ft — not sea level
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City licensingFort Collins licenses HVAC through the City — ask us for licence details
What we do
HVAC Services in Fort Collins
This page is the directory for all 38 services: every heating, cooling, heat-pump, ductwork, air-quality and controls service we offer in Fort Collins, plus commercial refrigeration and the cost and rebate pages that go with them. Pick a service below for the full page — what it covers, what it costs, and what to expect.
Heating
04Furnace RepairNo heat, short cycling, or a furnace blowing cold air. We diagnose the fault and explain the fix in plain language before any work starts.↗05Furnace InstallationNew gas furnaces installed to the 2026 ultra-low-NOx standard, with a mechanical permit and a load calculation behind the sizing.↗06Furnace ReplacementWhen repair no longer makes sense, a replacement sized for your home and your ductwork — with dated Fort Collins cost ranges on the cost page.↗07Furnace MaintenanceA fall tune-up before the heating season: burners, heat exchanger, igniter, airflow, and the condensate drain that freezes on condensing furnaces.↗08Emergency HVAC RepairNo heat or no cooling, any hour. We are open 24 hours — call (970) 932-2324 any time, day or night.↗09HVAC InspectionA written inspection of furnace, AC, ductwork, and thermostat for homebuyers and warranty questions.↗
Cooling
10Air Conditioning RepairAC not cooling, blowing warm air, or frozen over. Diagnosis first, then a straight explanation of what it will take to fix.↗11Air Conditioning InstallationNew central AC sized with a Manual J load calculation, installed with a permit and commissioned on day one.↗12AC ReplacementA matched replacement when the old condenser is done — with dated Fort Collins cost ranges so you can compare quotes.↗13Air Conditioning MaintenanceA spring tune-up: coil cleaning, refrigerant and electrical checks, and filters, ahead of the July heat.↗14AC Tune-UpThe pre-summer check: pressures, capacitor health, amp draw, and coil condition before the first hot week.↗
Heat Pumps & Ductless
15Heat Pump InstallationCold-climate heat pumps, dual-fuel or full-electric, sized for 5,003 ft and Fort Collins winters — with 2026 rebate guidance.↗16Heat Pump RepairA heat pump that will not heat, will not cool, or keeps switching modes. Diagnosis across both heating and cooling operation.↗17Heat Pump MaintenanceTwice-a-year service for a system that works in both seasons: coils, charge, reversing valve, and defrost.↗18Ductless Mini-Split InstallationWall-mounted heating and cooling for rooms without ducts — historic homes, additions, garages, and bonus rooms.↗19Ductless Mini-Split RepairError codes, lost cooling, or a head that will not respond. Diagnosis from the indoor head to the outdoor unit.↗
Indoor Air Quality & Ducts
20Indoor Air Quality ServicesFiltration, purification, and ventilation for wildfire-smoke season and dry Fort Collins winters — MERV 13 and HEPA where they fit.↗21Air Purifier InstallationWhole-home purification mounted in the ductwork, sized to your airflow.↗22Humidifier InstallationWhole-home humidification for dry winters — winter indoor humidity in Fort Collins commonly runs 15–25%.↗23Dehumidifier InstallationWhole-home dehumidification for damp basements and crawl spaces, draining automatically.↗24Duct CleaningDuct cleaning for dust, pet hair, and construction debris in the trunk lines and branches.↗25Duct SealingLeaky ducts waste heated and cooled air. We test for leakage, then seal joints and boots.↗26Duct RepairCrushed flex duct, disconnected runs, and torn insulation — reconnected, re-supported, and re-insulated.↗27Duct InstallationNew ductwork for additions and remodels, laid out so every register gets its share of air.↗
Thermostats & Ventilation
28Thermostat InstallationNew thermostats wired and programmed correctly, including the C-wire where one is needed.↗29Smart Thermostat InstallationSmart thermostats set up on your Wi-Fi, with schedules configured — plus the Efficiency Works rebate where it applies.↗30Thermostat RepairBlank screens, wrong readings, or a system that ignores the setting. We test the wiring and the control board.↗31Ventilation ServicesFresh-air ventilation and exhaust for tight modern homes, without throwing away the heat you paid for.↗32HVAC MaintenanceSeasonal maintenance across the whole system — heating in fall, cooling in spring.↗
Commercial
33Commercial HVACRooftop units and commercial heating and cooling for Fort Collins businesses, including maintenance.↗34Commercial RefrigerationWalk-in coolers and freezers, reach-ins, ice machines, and café refrigeration — the work our reviews are built on.↗35Walk-In Cooler RepairWalk-in cooler and freezer repair for restaurants, cafés, and liquor stores — including compressors.↗36Ice Machine RepairCommercial ice machine repair, maintenance, and installation.↗
Costs & Rebates
37Furnace Replacement CostDated Fort Collins furnace cost ranges with scope labels — what 2026 quotes actually look like.↗38AC Replacement CostDated AC replacement cost ranges for Fort Collins, with national context labelled as national.↗39Heat Pump CostHeat pump costs in Fort Collins plus the dated 2026 rebate stack — checked November 2026.↗40Furnace Repair CostFurnace repair cost ranges and the repair-vs-replace framework, with local numbers.↗41Fort Collins HVAC RebatesThe maintained 2026 rebate hub: Efficiency Works, Xcel, PVREA, and the Colorado state credit — checked November 2026.↗
From call to complete
How Our HVAC Service Works
Start by phone at (970) 932-2324 — tell us what the system is doing and we will match it to the right service on this page, or book the visit directly. There is no online form and no email queue.
On site, the technician tests the system, explains the findings in plain language, and confirms the price before any repair starts.
We carry out the work, pull a mechanical permit where the job requires one, and size any new equipment from a load calculation at altitude.
Before leaving, we run the system through a full cycle and walk you through what was done and what to watch for.
STEP 01Call (970) 932-2324
Start by phone at (970) 932-2324 — tell us what the system is doing and we will match it to the right service on this page, or book the visit directly. There is no online form and no email queue.
Our standard
Why Fort Collins Homeowners Call Us
Every service on this page is built for the same city: a heating-first town at 5,003 feet, where winters do the deciding. The directory below is organised by system, so you can find the exact service — repair, installation or maintenance — instead of guessing from a generic list.
Heating-First, Sized for Altitude
Heating dominates the directory because it dominates the climate: zone 5B, 5,797 heating degree days against 624 cooling (NOAA 1991–2020). At 5,003 ft a gas furnace derates roughly 10–20% and an air conditioner loses roughly 10–20% of sea-level capacity, so every heating, cooling and heat-pump page here starts from a load calculation at altitude, not a sea-level rule of thumb.
How Fort Collins Licenses HVAC
Every service listed here is done under the same licensing: Colorado has no state HVAC licence, so HVAC in Fort Collins is licensed by the City. Fort Collins licenses HVAC contractors through the City — ask us for our licence details when you call. Permits go through the City’s Accela portal where the job requires one, and new furnaces follow the ultra-low-NOx rule (HB23-1161) in force since 1 January 2026.
Straight Answers on Cost & Rebates
The cost pages in this directory publish dated Fort Collins ranges with their sources, and the rebate page is checked November 2026 — Efficiency Works, Xcel heat-pump rebates, PVREA and the $1,000 Colorado state heat-pump tax credit. The federal 25C/25D credits ended 31 December 2025 and the Xcel furnace rebate was removed 1 January 2026, and neither is quoted as live anywhere on this site.
Good questions
HVAC Fort Collins CO Questions
The questions we hear most from Fort Collins homeowners, answered straight.
(970) 932-2324 →Furnace installs quoted in Fort Collins ran $7,000–$10,000 in 2026 (Lion, Fort Collins) for ultra-low-NOx models under HB23-1161, with modelled 95–96% AFUE ranges at $5,270–$8,640 (NumeralQ, October 2026). National averages — Angi’s $2,823–$6,897 — are lower, but they are not a Front Range price. The full dated ranges are on our furnace replacement cost page.
No. Colorado licenses only electricians and plumbers at state level — there is no Colorado state HVAC licence. In Fort Collins, HVAC is licensed by the City under its contractor licensing system. Ask us for our licence details when you call. Any company advertising a “Colorado HVAC licence” is describing a licence that does not exist.
Yes — we are open 24 hours, 7 days a week, so call (970) 932-2324 any time, day or night, for a no-heat or no-cool emergency. We do not publish a response-time promise; call and we will tell you honestly what we can do.
As of November 2026 the live programmes are Efficiency Works / Fort Collins Utilities heat-pump rebates, Xcel heat-pump rebates for Xcel gas customers (cold-climate $1,500 per heating ton since 1 October 2026), PVREA for co-op members, and the $1,000 Colorado state heat-pump tax credit (at least $333 passed to the customer as a discount). The federal 25C/25D credits ended 31 December 2025 and the Xcel furnace rebate was removed 1 January 2026. See our rebate hub, checked November 2026.
Ready when you are
Need HVAC Help in Fort Collins Today?
Not sure which service fits the problem? Call DNA Refrigeration Heating & Cooling at (970) 932-2324 and describe what the system is doing — we will point you to the right service or book the visit, any time, day or night.
Call (970) 932-2324 →
Phone only — no forms, no email
Get in Touch
Call us at (970) 932-2324 any time, day or night. We are open 24 hours, 7 days a week, and the phone is the way to reach us — there is no contact form and no email address for service requests.
Call anytime(970) 932-2324
Visit us2757 Sternwheeler Dr, Fort Collins, CO 80524
HoursOpen 24 hours · 7 days a week