Skip to main content
  • Technician performing maintenance on outdoor heat pump unit near residential building exterior. Man installing air source heat pump, using tools. Concept of HVAC service and heating system repair
  • Professional boiler service: qualified technician checking a natural gas boiler at home.
  • Electrician repairing ceiling fan with lamps indoors

Residential HVAC, Denver's Trusted Electrical & Home Comfort Experts

Residential Services:

Our mission: Honest technicians, providing honest solutions, at a fair and honest price.

Over 20 Years
of Experience

Learn More About MSI

For more than 20 years, Denver's largest hospitals, government buildings, corporate headquarters, and historic landmarks have trusted Mechanical Solutions, Inc. (MSI) with their most demanding heating, cooling, electrical, and mechanical systems. From the EPA Region 8 Headquarters to Denver Health, the Denver Public Library to NREL, our technicians have been called when failure simply was not an option. Today, we are bringing that same commercial-grade expertise, the same licensed technicians, and the same reliability directly to homeowners across the Denver metro area.

outdoor unit of the air conditioner

MSI Residential Services is the new home-services division of Denver institutions that have been in business since 1998. Under one roof, our licensed and BBB-accredited company handles every system that keeps your home safe and comfortable, including heating, cooling, indoor air quality, water heaters, and electrical. As a Certified Carrier Factory Authorized Dealer, we install Carrier's industry-leading equipment with manufacturer-backed warranties, and we service, repair, and maintain every other major HVAC and electrical brand on the market. No subcontractors handing off work. No high-pressure sales calls. Just experienced craftsmanship from the same crews that keep Colorado's most important buildings running.

A Leader in Commercial & Industrial Services

Delivering Reliable Peace of Mind

Whether you need a same-day furnace repair in the middle of a January cold snap, an EV charger installed for your new vehicle, a tankless water heater upgrade, or a complete electrical panel replacement to support a kitchen remodel, MSI is the residential contractor Denver homeowners can call once and trust forever.

Our
Heating
Services

Smart circulator pump for residential and commercial heating or cooling. Used to adjust or changing settings or inspection of heating system. Plumbing or heating background. Selective focus.
Electrician repairing ceiling fan with lamps indoors
Technician performing maintenance on outdoor heat pump unit near residential building exterior. Man installing air source heat pump, using tools. Concept of HVAC service and heating system repair
Young african woman using smart home touch screen ai technology connected appliances device on wall monitoring energy security heating system digital control in apartment. Smart home concept. Closeup
LED Strip Installation for Creative and Energy-Efficient Lighting in Your Home or Office.

Commercial-Grade Expertise, Now Available for Your Home

Most Denver residential HVAC and electrical companies were built around homes from day one. MSI was built around buildings where downtime costs millions, where occupant safety is non-negotiable, and where systems run 24 hours a day, seven days a week. That heritage changes everything about how we serve homeowners.

When a hospital boiler fails, our techs are expected to diagnose and resolve the issue in hours, not days. When a federal building's HVAC system needs to keep pace with strict indoor air quality standards, we are the team that designs, installs, and commissions it. That same diagnostic depth, that same code-compliant workmanship, and that same urgency are exactly what we now bring to your home in Highlands Ranch, Park Hill, Lakewood, or Aurora.

Every MSI residential project is performed by fully licensed, insured, and continuously trained technicians. We hold Colorado plumbing and mechanical contractor licenses (P.C.0003362 and M.P.00179722), maintain Better Business Bureau accreditation, and are a factory-certified Distech Controls installer for advanced building automation, credentials that very few residential-only companies in the Denver metro can match.

Our Complete Residential Service Categories

MSI is a true one-call home services provider for Denver homeowners. Instead of juggling a separate furnace company, AC company, plumber, electrician, and air-quality specialist, every essential system in your home can be expertly handled by one licensed team. Explore each service category below.

Residential Heating Services

Furnaces, heat pumps, boilers, ductless mini-splits, radiant floor heating, and smart thermostats across Denver and the Front Range. With Denver winters routinely dropping below zero and altitude affecting combustion appliance performance, your heating system needs to be sized, installed, and maintained by technicians who understand high-altitude HVAC. As a Certified Carrier Authorized Dealer, MSI specializes in high-efficiency furnace and heat pump installations, and we service, repair, and maintain every major brand on the market.

Learn More
Technician removing front cover and inspecting fan inside outdoor heat pump unit. Concept of HVAC maintenance, repair service and energy efficient home heating and cooling

Residential Cooling & Air Conditioning Services

Central air conditioning installation and replacement, AC repair, ductless mini-splits, heat pump cooling, refrigerant services, evaporator and condenser coil work, smart thermostat upgrades, attic and whole-house fan installation, and zoning systems. Denver summers may be shorter than the South's, but the combination of intense high-altitude sun and triple-digit afternoons makes a properly sized, properly charged AC system essential. MSI installs, services, and repairs every major brand.

Learn More
A first person perspective of a person using an indoor air quality monitor device, checking for allergens, particles and CO2 during a domestic home inspection.

Indoor Air Quality Services

Whole-house air purifiers, HEPA filtration, UV germicidal lights, humidifiers, dehumidifiers, ERV and HRV ventilation systems, air duct sealing, indoor air quality testing, and carbon monoxide detection. Denver's dry mountain climate, wildfire smoke seasons, and pollen-heavy springs make residential air quality more than a luxury, it is a daily comfort and health issue. MSI brings the same plasma air ionization and purification technology we install in hospitals and offices directly into Denver homes, with solutions tailored to your specific air quality challenges.

Learn More
Man fixing water heater. Close-up view of male hands using wrench.

Water Heater Services

Tank water heater installation and replacement, tankless water heater conversions, hybrid heat pump water heaters, expansion tanks, recirculation pumps, and annual inspections. With water heaters being one of the most overlooked sources of home energy use, MSI helps Denver homeowners select the most efficient, longest-lasting, and best-fit water heater for their household size and budget. We install gas, electric, hybrid, and tankless systems and handle all related plumbing, gas line, and electrical work in-house.

Learn More
Electrician engineer tests electrical installations and wires on relay protection system. Adjustment of scheme of automation and control of electrical equipment.

Residential Electrical Services

Electrical panel upgrades and replacement, whole-home rewiring, circuit breaker service, outlet and switch installation, GFCI and AFCI installation, indoor and outdoor lighting, ceiling fans, EV charger installation, standby and portable generators, whole-home surge protection, smart home wiring, code compliance upgrades, knob-and-tube and aluminum wiring replacement, hot tub and pool wiring, and subpanel installation=. As Denver homes electrify, adding EVs, induction ranges, heat pumps, and home batteries, your electrical service often needs to be upgraded to keep pace. MSI's licensed electricians make sure your home is safe, code-compliant, and ready for whatever you plug into it.

Learn More

Why Denver Homes Need a Colorado-Specialized Contractor

Denver homes face challenges that most national HVAC and electrical brands simply do not understand. At 5,280 feet of elevation, combustion appliances behave differently. Furnaces need de-rating for altitude, gas pressures need adjusting, and code requirements differ from sea-level installations. A furnace sized correctly for Dallas will short-cycle and underperform in Capitol Hill. An AC unit installed without considering Denver's intense afternoon sun will struggle on triple-digit summer days.

Colorado's temperature swings are equally unforgiving. It is not unusual for Denver to see a 50-degree temperature drop in a single afternoon. Therefore, your HVAC system must handle that gracefully, and so must your home's electrical load when everyone fires up their heaters or AC units simultaneously. MSI's technicians have decades of experience with the specific demands of Front Range homes, from the historic bungalows of Wash Park and the Highlands to the new builds of Stapleton, Reunion, and the Denver Tech Center suburbs.

From hailstorms and wildfire smoke to dry winters and aging electrical panels in mid-century Denver neighborhoods, you can trust our team to handle it all. When you call MSI, you get a Denver-grown company that knows Denver homes.

Denver Metro Communities We Serve

MSI Residential Services is headquartered at 1820 W. Evans Avenue in Englewood, Colorado, giving us same-day reach across the entire Denver-Aurora-Lakewood metropolitan area. We proudly serve homeowners in:

Don't see your neighborhood listed? Give us a call at (303) 789-1700, our service area covers most of the Front Range from Castle Rock to Boulder.

What to Expect When You Choose MSI

Working with a residential contractor should not feel stressful or pushy. Our process is designed to make every step transparent, predictable, and centered on what is right for your home, not what is most profitable for the contractor.

Step 1: Call or contact us. A real MSI team member answers, takes your information, and schedules your appointment at a time that works for you.

Step 2: In-home diagnostic or consultation. Our licensed technician arrives in a marked vehicle and on time. We diagnose the issue or assess your project carefully before quoting anything.

Step 3: Transparent, written estimate. You receive a clear, itemized estimate before any work begins. No surprise upcharges, no high-pressure sales tactics, no "limited-time" gimmicks.

Step 4: Professional installation or service. The same MSI technicians who service hospitals and corporate buildings handle your project, using quality parts, code-compliant practices, and meticulous cleanup.

Step 5: Follow-up and ongoing support. We confirm everything is working correctly, walk you through your new system, register manufacturer warranties on your behalf, and remain just a phone call away.

LED Strip Installation for Creative and Energy-Efficient Lighting in Your Home or Office.

Why Denver Homeowners Choose MSI

  • Established in 1998, more than 20 years of trusted Colorado service
  • Trusted by Denver Health, the EPA, NREL, JP Morgan Chase, and the Denver Public Library, now serving residential customers
  • Certified Carrier Factory Authorized Dealer, the industry's highest dealer recognition
  • Licensed Colorado mechanical and plumbing contractor (P.C.0003362, M.P.00179722)
  • BBB Accredited Business
  • Service for heating, cooling, water heater, and electrical failures
  • Factory-certified Distech Controls installer (advanced smart-home and energy automation)
  • In-house technicians, never subcontracted to unknown crews
  • Up-front, written estimates, no high-pressure sales
  • Service, repair, and maintenance for all major HVAC and electrical brands
  • Financing options available on qualifying installations
  • Free in-home estimates on new system installations
  • Maintenance plans available to keep your systems running efficiently year-round

Frequently Asked Questions About MSI Residential Services

  • Is MSI a residential or commercial company?

    MSI has been a commercial HVAC, electrical, and mechanical contractor in Denver since 1998. We have now expanded into residential services, offering Denver homeowners the same licensed technicians and commercial-grade workmanship that have served hospitals, government buildings, and corporate headquarters across Colorado for nearly three decades.

  • What residential services does MSI offer?

    MSI offers five major residential service categories: heating (furnaces, boilers, heat pumps, mini-splits), cooling (central air, AC repair, mini-splits, heat pumps), indoor air quality (purifiers, humidifiers, ventilation), water heaters (tank, tankless, hybrid), and electrical (panel upgrades, EV chargers, lighting, generators, smart home wiring). We provide installation, replacement, repair, and ongoing maintenance for all five categories.

  • What areas of Denver does MSI serve?

    MSI serves the entire Denver metro area and Front Range, including Denver, Aurora, Lakewood, Centennial, Highlands Ranch, Englewood, Littleton, Westminster, Arvada, Thornton, Parker, Castle Rock, Boulder, Broomfield, Wheat Ridge, Golden, and surrounding communities. Our headquarters at 1820 W. Evans Avenue in Englewood gives us same-day reach across most of the Front Range.

  • Is MSI licensed and insured?

    Yes. MSI is a fully licensed Colorado mechanical, electrical and plumbing contractor (license numbers P.C.0003362 and M.P.00179722), carries full liability and workers' compensation insurance, and is accredited by the Better Business Bureau. Every technician on our team is licensed for the work they perform.

  • Do you offer free estimates and financing?

    We offer free in-home estimates on new system installations and replacements, with written quotes provided before any work begins. Financing options are available on qualifying installations to help spread the cost of larger projects like new HVAC systems, panel upgrades, or whole-home rewiring. Call (303) 789-1700 to discuss your project and financing options.

  • What brands of HVAC and electrical equipment do you install?

    MSI is a Certified Carrier Factory Authorized Dealer, Carrier's highest level of dealer recognition, meaning we specialize in Carrier furnaces, air conditioners, heat pumps, and indoor air quality systems and can offer extended warranties and expert installation backed by Carrier itself. We also install and service all other major residential HVAC brands, including Trane, Lennox, Goodman, American Standard, Mitsubishi, Daikin, Bradford White, A.O. Smith, and Rheem. For electrical work, we use trusted manufacturers such as Square D, Eaton, Siemens, and Generac. We can match the right equipment to your budget, efficiency goals, and long-term performance needs.

Residential HVAC Services in Denver, CO

At Mechanical Solutions, Inc., we're committed to keeping your home comfortable, efficient, and safe throughout every season. We provide comprehensive residential HVAC services in Denver, CO including heating and air conditioning installation, replacement, repair, and maintenance. Whether you need a new furnace, AC replacement, emergency HVAC repairs, or preventative maintenance, our experienced technicians deliver reliable solutions tailored to your home's needs.

We also install smart home comfort systems and HVAC controls that let you manage your home's temperature from anywhere, helping improve energy efficiency and reduce utility costs. Call or click today to schedule your residential HVAC service with Mechanical Solutions, Inc.

2026 © Mechanical Solutions, Inc.

WEBSITE & SEO by NATIVERANK

Contact Us (303) 789-1700