What we do
Whole-home heating, cooling, and air quality.
One Boulder shop. Every HVAC service under one roof — repair, install, maintain. Written quotes before any work begins, NATE-certified techs on every visit.
AC repair & installation
Diagnose, repair, or replace AC systems and heat pumps from Lennox, Trane, Mitsubishi, Bosch, and Carrier. We service every major brand made in the last 30 years.
- Flat $89 diagnostic on every call (waived when you approve the repair)
- Written, line-by-line quote before any work begins
- Refrigerant leak detection with EPA-certified handling
- Heat-pump installations including cold-climate models for Boulder winters
- Manufacturer warranty registration handled on your behalf
Repairs typically $189–$680 · New AC installs $5,800–$11,200
Request a quoteFurnace & boiler service
Furnace repair, replacement, and combustion safety. Boiler service for older Boulder homes. Carbon-monoxide test on every heating-system visit, every time.
- Carbon-monoxide test on every heating call (free, never an add-on)
- Combustion analysis with calibrated equipment
- Heat exchanger inspection with photo documentation
- Hot-water and steam boiler service for pre-1980 Boulder homes
- High-efficiency furnace installs with rebate paperwork filed for you
Repairs typically $220–$850 · New furnace installs $4,900–$9,800
Request a quoteIndoor air quality
MERV-13+ filtration, UV-C purification, whole-home humidifiers, and ERV/HRV systems. Built around Boulder's specific challenges — dry winters, wildfire-smoke summers, high-elevation dust.
- MERV-13 filtration retrofits for existing furnaces and AC systems
- UV-C lamps for coil and duct sanitization
- Whole-home steam humidifiers (sized to your home, not generic)
- Heat- and energy-recovery ventilators for tight modern builds
- Pre-wildfire-season filter tune-up — book by July
Filter upgrades $320–$680 · Whole-home IAQ systems $1,400–$3,800
Request a quoteTune-ups & maintenance plans
Spring AC tune-ups, fall furnace tune-ups, and the HearthGuard membership for everything in between. The maintenance you actually want before you need a service call.
- Spring AC tune-up: refrigerant check, coil clean, capacitor test
- Fall furnace tune-up: combustion analysis, heat-exchanger inspection, blower clean
- HearthGuard membership: $19–$59/mo (single system → multi-system)
- Members get 24/7 priority dispatch and 15% off all repairs
- No after-hours surcharges, ever — same flat rate at 9pm Sunday as 9am Tuesday
Tune-ups $129 each or bundled in HearthGuard from $19/mo
Request a quote
Top-tier HVAC, installed right.
We install the brands we trust on our own homes. We service every major brand from the last 30 years — even the ones we don't install — so you're covered whatever's already on your slab.
- Lennox
- Trane
- Mitsubishi
- Bosch
- Carrier
- Goodman
- Rheem
- York
- American Standard
Don't see your brand? We service every major HVAC make from the last 30 years — call us.
Call us. Or leave a number — one of our team members will call you back within the hour.
Marcus, Elena, or Priya picks up — no call centers. Tell us what's going on, and we'll set expectations on the phone before any truck rolls.
Mon–Fri 7am–7pm · Sat 8am–5pm
24/7 emergency line · same flat rate

