HVAC Services · Southern Utah
Heating, Cooling & Indoor Air Quality Services
Full-service residential, commercial, and industrial HVAC across Washington County. Family-owned since 1992. We install, service, and maintain every major brand.
Talk to a tech today
Same-day service available across the St. George metro area. Free estimates on installs.
Call (435) 674-1275 Request a Quote Online- › 24/7 emergency dispatch
- › 30+ years of local experience
- › Honest diagnostics
What we do
Seven service lines, one phone number.
Most HVAC shops focus on one or two services. We've built our business around being the contractor a homeowner, builder, or property manager can call once, whether it's for a tune-up, a 20-ton rooftop swap, or a custom geothermal install, and get a real answer the same day.
Air Conditioning
Fast, honest air conditioning service across Southern Utah. Same-day repair on most systems, free estimates on replacements, and tune-ups that pay for themselves in a single summer.
Learn moreHeating
Gas furnace repair, replacement, and maintenance. We service every major brand and install 95%+ AFUE high-efficiency furnaces sized for your home.
Learn moreHeat Pumps
Heat pumps are the most efficient way to heat and cool a Southern Utah home. We install, service, and repair air-source and ductless mini-split heat pumps from every major manufacturer.
Learn moreGeothermal
Geothermal is the most efficient HVAC technology on the market, and one of the few investments that genuinely pays for itself. We design, install, and service ground-source heat pump systems across Southern Utah.
Learn moreIndoor Air Quality
Southern Utah air is dry, dusty, and full of fine particulates. We install whole-home air cleaners, humidifiers, ERV ventilators, and zoning systems that make a measurable difference.
Learn moreCommercial HVAC
Rooftop units, T.I. spaces, sheet metal fabrication, gas lines, grease ducts, and preventive maintenance contracts for businesses across Southern Utah.
Learn moreNew Construction
Builders, GCs, and homeowners trust M&M for full-design HVAC on new homes, additions, and major remodels. Manual J load calcs, Manual D duct design, and clean rough-ins on schedule.
Learn moreHow we work
A real technician picks up the phone.
No call-center routing. No endless menus. When you dial our shop in Washington, you reach someone who can pull a service history, check truck stock, and dispatch the right tech for the job.
Get an estimate- 01
Call or message
Tell us what's going on. We'll triage same-day repairs vs. scheduled service and give you an honest ETA.
- 02
On-site assessment
Our tech shows up in a stocked truck, diagnoses the issue, and explains what they find in plain English.
- 03
Honest quote
Repair-vs-replace math, written quotes for installs, and no high-pressure sales tactics. You decide on your timeline.
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Quality work, on schedule
We finish what we start. If a part needs ordering, we tell you up front, and we follow through.
Not sure which service you need?
Call the shop and describe what's happening. We'll point you to the right team, even if that means a different contractor.