Mon–Fri 7:30 am – 5:30 pm

(970) 493-0866
Furnace season is here. Book your fall maintenance.

Services

Heating, cooling, hydronics, IAQ, and maintenance.

All makes and models. We service what is in the house — not only equipment we installed.

Heating

Gas furnaces, boilers, heat pumps, and all-electric systems sized for Colorado winters — including mountain homes that actually get cold.

Furnace repair and replacement
Rheem Prestige gas furnace with AprilAire and Honeywell humidifier — Grants HVAC
Rheem Prestige gas furnace with AprilAire and Honeywell humidifier — Grants HVAC
Daikin gas furnace with Grants HVAC sticker
Daikin gas furnace with Grants HVAC sticker
Daikin furnace with Honeywell humidifier
Daikin furnace with Honeywell humidifier
Daikin furnace with AprilAire air cleaner
Daikin furnace with AprilAire air cleaner
Closet Daikin furnace with Clean Comfort filter
Closet Daikin furnace with Clean Comfort filter

Cooling

Central air, high-efficiency mini-splits, heat pumps, and evaporative cooling. We install what fits the house, not a package we need to move.

Air conditioning repair and installation
Daikin central air conditioner on a pad
Daikin central air conditioner on a pad
Central AC on a mountain cabin
Central AC on a mountain cabin
Condenser under a deck with insulated line set
Condenser under a deck with insulated line set
Central air on a pad in a Northern Colorado winter
Central air on a pad in a Northern Colorado winter

Heat pumps

Daikin FIT and other cold-climate systems, dual-fuel setups, and help with Xcel, Efficiency Works, and Colorado rebate paperwork.

Cold-climate heat pumps
Grants Heating & Air crew with a Rheem cold-climate heat pump
Grants Heating & Air crew with a Rheem cold-climate heat pump
Rheem heat pump on a stand — Grants HVAC install
Rheem heat pump on a stand — Grants HVAC install
Rheem heat pump on a pad — Grants HVAC install
Rheem heat pump on a pad — Grants HVAC install
Daikin heat pump on a stand against brick — Grants HVAC install
Daikin heat pump on a stand against brick — Grants HVAC install

Mini-splits & ductless

Single and multi-zone ductless for additions, older homes without ducts, and rooms the furnace never quite reaches.

Mini-splits and ductless
Ductless mini-split in a vaulted living room
Ductless mini-split in a vaulted living room
Whole-house line-hide for a multi-head mini-split
Whole-house line-hide for a multi-head mini-split
Mini-split heat pump in a Northern Colorado bedroom
Mini-split heat pump in a Northern Colorado bedroom
Daikin mini-split outdoor unit under a mountain deck
Daikin mini-split outdoor unit under a mountain deck

Hydronics & water heaters

Cast-iron and high-efficiency boilers, radiant floors, zone pumps, tankless and indirect water heaters. Honest diagnosis before anyone talks replacement.

Boilers and hydronics
Navien boiler, Bradford White tank, and copper zone manifold — Grants HVAC
Navien boiler, Bradford White tank, and copper zone manifold — Grants HVAC
Navien boiler with zone valves and indirect tank — Grants HVAC
Navien boiler with zone valves and indirect tank — Grants HVAC
US Boiler hydronic system with zone valves
US Boiler hydronic system with zone valves
Radiant floor manifold and tankless water heater
Radiant floor manifold and tankless water heater
Navien boiler with zone pumps
Navien boiler with zone pumps
Wall-hung boiler and tank water heater
Wall-hung boiler and tank water heater

Indoor air quality

Humidifiers, filtration, and UV options (including REME Halo) so the system you already paid for actually treats the air.

Honeywell HE300 whole-home humidifier — Grants HVAC
Honeywell HE300 whole-home humidifier — Grants HVAC
AprilAire media air cleaner on a Daikin furnace
AprilAire media air cleaner on a Daikin furnace
Clean Comfort MERV media filter cabinet
Clean Comfort MERV media filter cabinet
Honeywell HE300 humidifier with Grants HVAC sticker
Honeywell HE300 humidifier with Grants HVAC sticker

Maintenance

A reminder, a real visit, and a report. $125 per system, per year. The year starts that day.

How maintenance works
Coil cleaning on a rooftop Carrier — Grants HVAC
Coil cleaning on a rooftop Carrier — Grants HVAC
Heat pump coil cleaning at a Northern Colorado home
Heat pump coil cleaning at a Northern Colorado home
Media filter service during a maintenance visit
Media filter service during a maintenance visit
Dirty vs clean 4-inch filter — this is why we change them
Dirty vs clean 4-inch filter — this is why we change them
Mini-split blower wheel cleaned on a maintenance visit
Mini-split blower wheel cleaned on a maintenance visit
Grant flushing a Navien boiler
Grant flushing a Navien boiler

Your appointment

ServiceTitan

We run the shop on ServiceTitan — the same software used by professional HVAC companies nationwide. You get a modern visit, not a clipboard and a maybe.

  • • Appointment reminders by text
  • • Technician photo so you know who is coming
  • • Live arrival time and truck tracking to your house
  • • Maintenance reminders for the next tune-up
  • • A clear record of the job when we leave

How we size the system

Conduit Tech

For replacements and new systems we scan the house with LiDAR in Conduit Tech, then run an ACCA Manual J load — room by room and for the whole home. That is how we pick capacity. We do not guess off square footage.

  • • LiDAR scan of the home on site
  • • ACCA Manual J heat loss and heat gain
  • • Room-by-room and whole-home calculations
  • • Right-sized equipment — not oversized, not short
  • • Reports that hold up for permits and rebates

Rebates we help you check

We don't promise a dollar amount until you qualify.

Xcel Energy

Up to $1,500 per heating ton

2× bonus on qualifying cold-climate heat pumps. Standard units are less. We check the current amount before anyone quotes a number.

Efficiency Works

$1,500–$2,000

Local efficiency rebates — we help you check current amounts.

State of Colorado

Heat pump discount

State incentives stack with utility programs when you qualify.

Heat pumps and mini-splits