Certified Mitsubishi Electric Ductless & Heat Pump Solutions Across CT
5-Star Rated. Same-Day Service. Certified Mitsubishi Diamond Dealer.
Cromwell homeowners along the Connecticut River deserve an HVAC contractor who shows up on schedule and gives a straight answer, not a runaround. Express Home Services is a family-owned company with a 5.0-star track record, factory-trained technicians, and Mitsubishi Electric Diamond Dealer certification. Whether it’s AC repair in the middle of summer or a water heater on its last leg, we handle it directly.
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Cromwell’s housing mixes older river-town homes with newer construction along the Route 9 corridor. That range means equipment age varies widely from block to block — we see everything from decades-old central air units to systems installed in the last five years, and we service and install for all of it.
AC Installation and Repair
AC installation and repair are the two highest-demand services we provide in Cromwell. Whether your system just needs a fix or has reached the point where replacement makes more financial sense, we give you a straight comparison.

Water Heater Service
Water heater service is a significant part of what Cromwell homeowners search for, and we handle the full range: tankless installation for homeowners looking to upgrade, traditional tank replacement, and repair for units that are underperforming. A water heater over 10 years old that’s slow to recover or making noise is worth a look before it fails at the worst possible time.
Learn more about our water heater services.
Ductless Mini Split Systems
For additions, finished basements, or rooms a central system doesn’t reach well, ductless mini splits are often the right call — especially in Cromwell’s older river-town homes that were never built with ductwork throughout. As a certified Mitsubishi Electric Diamond Dealer, we’re factory-trained to install to manufacturer spec, a certification most Connecticut HVAC contractors don’t carry.

Heating Services
We install and service the full range of residential heating equipment for Cromwell homes.
Our Comfort Club maintenance plan covers annual AC and heating inspections at a discounted rate.
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Cromwell’s river-valley location means spring humidity swings can be harder on AC systems than in drier inland towns, and homes closer to the Connecticut River sometimes see faster equipment wear from that extra moisture.
Spring is the right time for an AC tune-up before summer demand peaks, and fall is the right time for a furnace or boiler inspection before winter arrives. Homeowners on our Comfort Club maintenance plan get both automatically, at a discounted rate, with priority scheduling built in so you’re never trying to book a technician during the busiest week of the season.
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5.0-star rated. Every review visible on our Google Business Profile, no curation.
Certified Mitsubishi Electric Diamond Dealer. A certification most HVAC companies serving Middlesex County don’t hold.
Same-day service for most repairs. Call in the morning, and we’ll make every effort to have a technician there the same day.
Family-owned. No subcontractors, no call center. The team that answers is the team that shows up.
Transparent pricing. A clear estimate before work starts.
Financing available. $0 down on new system installations for qualified applicants. See our financing page.
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Cromwell sits along the Connecticut River in Middlesex County, close to Middletown and Portland, with easy access via Route 9. Our team covers this corridor regularly.
We also serve Middletown, Portland, Rocky Hill, Berlin, and Newington. Whether it’s a riverfront colonial or a newer home off Route 9, our technicians work on the full range of systems Cromwell homes have.
Within Cromwell, our technicians regularly work both the older riverfront neighborhoods and the newer residential streets off Route 9, and we coordinate closely with the handful of property management companies operating rental units in town. If you’re not sure whether your address falls inside our standard response window, call and we’ll confirm before you book.
A full system replacement is a real expense, and we don’t pretend otherwise. For Cromwell homeowners weighing a new AC system, furnace, or water heater, $0 down financing for qualified applicants means the decision doesn’t have to wait until the current equipment fails completely. We’ll walk you through the monthly numbers alongside the estimate, not as a separate sales conversation.
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Call anytime, we are open 24/7. Free estimates on all new installations and system replacements.
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Tired of an old AC system that can’t keep your home cool? Upgrade your comfort today. Get $1,000 off any new central air or ductless mini split installation with Express Home Services.