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MCR Services Inc.
24/7 Emergency Service

Family-Owned & Skilled Technicians

At MCR Services, we deliver fast, reliable HVAC solutions backed by licensed, factory-trained professionals. Check out our Top Warranties that include Labor and give you peace of mind for many years. We guarantee our work.

Mammoth Lakes& the Eastern Sierra
Lochinvar & RaypakFactory Trained
After-HoursCalls Answered
MCR Services technicians installing HVAC equipment in the Eastern Sierra

Veterans & Seniors

15% OFF Service

Family-Owned

Independent and family-run since 2008, with offices in Mammoth Lakes and Bishop.

Factory Trained

NATE certified and factory trained across Daikin, Lochinvar, Raypak and more.

Repair Before Replacement

We evaluate the equipment and explain both options, then repair when repair makes sense.

24/7 Emergency Service

Regular hours Monday through Friday, with emergency service around the clock.

Call (760) 210-0873 for 24/7 emergency commercial HVAC service.

What We Specialize In

Full-Service Mechanical Contracting

We are a full Service Mechanical Contracting Company.

We Specialize in Space Heating for:InstallationRepairsMaintenanceService AgreementsReplacements
HVAC work by MCR Services
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HVAC

Heating, ventilation, cooling and air quality for commercial buildings and homes across the Eastern Sierra.

Explore HVAC
Boilers work by MCR Services
2 / 5

Boilers

Commercial and residential boilers, water heaters and combustion work — set up for the altitude they actually run at.

Explore Boilers
Hydronics work by MCR Services
3 / 5

Hydronics

Hot and chilled water systems, radiant loops and snow melts — the distribution side most failures actually live on.

Explore Hydronics
Central Systems work by MCR Services
4 / 5

Central Systems

Central plant equipment — pumps, motors, heat exchangers, towers and geothermal — kept running as one system.

Explore Central Systems
Specialties work by MCR Services
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Specialties

The work most mechanical contractors subcontract — controls, infrared inspection, flameless repair and CO testing.

Explore Specialties
Our Services

Browse Services by System

At MCR Services, we provide a full range of HVAC solutions including installation, repair, and maintenance to keep your home comfortable year-round.

Emergency RepairsServiceMaintenanceInstallationComplete RebuildsCommercial ApplicationsCooling TowersGeothermalChillers
MCR Services HVAC installation workMCR Services technician completing a heating installation

Factory Trained

18 Manufacturers

About MCR Services

Dependable HVAC, Built on Integrity

At MCR Services, we take pride in delivering dependable HVAC solutions built on integrity, skill and customer care. Our licensed, factory-trained technicians keep commercial systems running across the Eastern Sierra, with workmanship you can rely on.

Our Top Warranties include Labor and give you peace of mind for many years, and we guarantee our work — from our offices in Mammoth Lakes and Bishop across the Eastern Sierra.

Boilers & Water Heating

LochinvarRaypakLaarsAmerican Water HeatersA.O. SmithBradford WhiteStateRheem

HVAC, Heat Pumps & Tankless

American StandardMitsubishiDaikinCarrierAmanaTraneTakagiNoritzRinnaiNavien
Customer Reviews

What Customers Say

Reviews published on Google by customers across Mammoth Lakes, Bishop and the Eastern Sierra.

Featured Manufacturers

Equipment We Know Inside Out

Our technicians are factory trained on the systems we service, so diagnosis starts from how the equipment is actually built rather than guesswork.

LochinvarRaypakLaarsAmerican Water HeatersA.O. SmithBradford WhiteStateRheemAmerican StandardMitsubishiDaikinCarrierAmanaTraneTakagiNoritzRinnaiNavien

Factory and technical training, including RF MacDonald Service Training.

Daikin equipment serviced by MCR Services
Promotions

Current Specials & Discounts

Take advantage of our latest promotions to save on HVAC repairs, maintenance, and new system installations.

15% OFF

15% OFF Repair or Services for Veterans

MCR Services thanks those who served — veterans save 15% on any HVAC repair or service visit. Just mention this offer when you book.

Claim This Offer
15% OFF

15% OFF Repair or Services for Senior Citizens

Senior citizens save 15% on any HVAC repair or service visit throughout our Eastern Sierra service area. Mention this offer when you schedule.

Claim This Offer
Commercial & Industrial HVAC

Preventive Maintenance — No Long-Term Contracts

A preventive maintenance program for commercial and industrial HVAC systems, designed to keep equipment running efficiently, reduce downtime, and provide priority service when it matters most. Straightforward — no long-term contracts, no fine print headaches.

  • Scheduled visits 3–4 times per year
  • Systems inspected, serviced and adjusted
  • Early issue detection before breakdowns
  • Priority scheduling for members

If your operation can’t afford unexpected HVAC failures, this program is built for you.

What members get

  • Priority service during peak demand
  • Reduced emergency repairs and system downtime
  • Improved system efficiency and equipment lifespan
  • Professional service by licensed HVAC technicians
  • Flat-rate maintenance pricing
  • Cancel anytime with 30 days’ notice

Built for businesses that rely on consistent HVAC performance.

Service Areas

Proudly Serving the Eastern Sierra

MCR Services provides professional HVAC solutions to homeowners and businesses throughout our local community and the surrounding areas.

Ready for Fast, Honest HVAC Service?

Request service online in minutes or call — after-hours calls answered across the Eastern Sierra.