HVAC Services in Derby, CT

Trusted Local Comfort Experts Since 1952

When Derby residents and businesses need a reliable HVAC contractor, they’ve been calling Air Specialties Air Conditioning & Heating for more than 70 years. Founded in 1952 by Frank Bradley, we’ve operated under the same family ownership ever since, now into our second generation. That continuity matters: we serve both residential and commercial customers across Derby and throughout New Haven County, and we bring the same standard of work to every call we take.

We cover the full range of HVAC services under one roof: heating, cooling, boiler service, water heater work, and indoor air quality. We’re fully licensed and insured in Connecticut, so every job is backed by credentials you can verify.

Ready to schedule HVAC service in Derby, CT? Call us any time at (475) 253-8825. We’re available 24/7 for emergency calls and happy to answer questions about any heating or cooling need.

HVAC Installation, Repair, & Maintenance in Derby, CT

Whether you need a repair, a full system replacement, or seasonal maintenance, you’ll know what the job costs before we start. Upfront pricing is standard for every service we provide: no surprise charges on the invoice. For new HVAC installations, we offer free estimates so you can make a confident decision without any commitment.

We service all makes and models of heating and cooling equipment, from traditional furnaces to ductless mini-split systems and heat pumps. Our trucks arrive stocked with the tools and parts needed to complete most jobs the same day, which can mean fewer trips and faster turnarounds for you.

For customers who want consistent, year-round coverage, we offer full service contracts and affordable maintenance packages built around your budget. Preventive maintenance keeps systems running efficiently, reduces the likelihood of unexpected breakdowns, and can help protect manufacturer warranties. We also install and service indoor air quality equipment, including air purifiers, humidifiers, and filters, for customers looking to address what’s in the air, not just the temperature.

Heating Services in Derby, CT

Connecticut winters put real, sustained demand on heating systems. When a furnace or boiler fails at 2 a.m. in January, you need someone who picks up the phone and shows up. Our team is available 24 hours a day, 7 days a week for emergency HVAC service in Derby: no waiting until business hours.

Promptness is something our customers call out consistently in reviews, and we take it seriously whether the call is a routine tune-up or a heating emergency. Our technicians go through ongoing training to stay current with modern heating systems, from high-efficiency furnaces to heat pump installations. Common issues like failed igniters, gas valve problems, and cracked heat exchangers each require accurate diagnosis before any repair begins, and that’s exactly the kind of work our team is trained to handle. We cover the full range of residential and commercial heating: repair, maintenance, and replacement.

AC Services in Derby, CT

Connecticut summers bring humidity alongside heat, and that combination puts extra load on cooling equipment. When your air conditioner breaks down, you want a technician who diagnoses the actual problem and recommends the right fix, not the most expensive option on the menu.

Our NATE-certified technicians handle all AC services in Derby, CT. NATE (North American Technician Excellence) is the nation’s largest nonprofit certification organization for HVAC technicians, and it means the person working on your system has passed rigorous testing in their field. Our team covers residential and commercial air conditioning work: repair, maintenance, and installation across all system types.

Customers consistently note two things about our AC service: we explain what we’re doing and why at every visit, and we don’t push unnecessary upgrades. When a repair makes sense, we say so. When a system is aging and repair costs are approaching replacement value, we can have that conversation honestly. Every job ends with the work area left clean.

Boiler Services in Derby, CT

Boilers distribute heat through hot water or steam rather than forced air, and they require their own maintenance discipline to stay safe and efficient. We service gas and oil boilers for homes and businesses throughout Derby and New Haven County.

Our boiler inspections include thorough testing and cleaning designed to catch minor issues before they turn into costly repairs. Unusual noises, uneven heating across rooms, visible leaks, and rising energy bills are all signs a boiler deserves a close look. When a system is at the end of its useful life, we install energy-efficient boiler models and can walk you through the options before any decision is made.

Water Heater Services in Derby, CT

Hot water failure rarely happens at a convenient time. Our water heater technicians arrive with the tools and supplies needed to complete most jobs the same day, minimizing disruption to your household or business.

We install, repair, and maintain both tankless and standard tank water heater systems. Tankless units heat water on demand rather than storing it, which reduces standby energy loss compared to traditional tank systems. It’s a worthwhile conversation for customers replacing an aging unit. Signs that a water heater needs attention include inconsistent hot water temperature, discolored water, and water pooling near the base of the unit. Our certified professionals handle all of it.

Why Derby Residents Have Chosen Us for Decades

It’s one thing to say you’ve been around a long time. It’s another to have customers who started calling in the early 1990s and are still on a full service contract today. That kind of loyalty doesn’t come from a single good visit. It comes from showing up on time, pricing jobs honestly, and not treating every service call as a chance to upsell. Those are the habits we’ve built over more than 70 years, and they’re what Derby homeowners and business owners tell us they value most.

We serve residential and commercial HVAC needs throughout Derby and New Haven County, and we’re fully licensed and insured in Connecticut. Whether you need a same-day repair, a system replacement quote, or a maintenance plan that fits your budget, we’re the call that’s been worth making since 1952.

We have deep knowledge of all aspects of residential and commercial HVAC. From heat pump installation to furnace repair, we handle it all, including:

• Furnace Repair
• Heat Pump Installation
• AC Installation
• Boiler Repair
• Water Heater Repair
• Commercial HVAC

Customer satisfaction and safety come first when we perform HVAC services in Derby, CT. We aim to deliver five-star service from the time you contact us to schedule to the moment we complete the project. Call (475) 253-8825 today and let our team help get your home or business feeling right again.