AC Repair in Dedham, MA

Your AC Fixed Fast, Done Right

We provide same-day service when your air conditioning fails and you need it the most.

We Leave Our Customers Smiling

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Air Conditioning Repair Services

Cool Comfort Back in Hours

When your AC goes out on a 90-degree day in Dedham, you don’t have time to wait around. You need someone who shows up when they say they will, figures out what’s actually wrong, and gets your system running again without the runaround.

That’s exactly what happens when you call us. Your home gets back to the temperature you want. Your family stops sweating through another uncomfortable night. You stop worrying about whether the repair will actually hold up.

Most importantly, you get straight answers about what happened, what we fixed, and what you can do to prevent it from happening again. No technical jargon. No overselling. Just your AC working the way it should.

Dedham HVAC Repair Experts

We've Been Keeping Dedham Cool

Dempsey Energy has been handling air conditioning repairs for thousands of homeowners throughout Dedham and the surrounding Norfolk County area. We’ve built our reputation on showing up when we say we will and fixing things right the first time.

Our technicians know the common AC problems that hit homes in this area, especially during those brutal July and August heat waves. We’ve seen it all, from aging systems in older Dedham neighborhoods to newer units that just need the right touch.

What sets us apart is simple: we treat your home like our own. We explain what’s wrong in plain English, give you upfront pricing, and make sure you’re completely satisfied before we leave.

AC Repair Process Dedham

Here's How We Fix Your AC

First, we listen to what’s happening with your system. Strange noises, warm air, or complete shutdown—we need to understand what you’re experiencing before we start diagnosing.

Next, our technician runs a complete diagnostic check. We test electrical connections, check refrigerant levels, inspect your compressor, and examine all the components that could be causing the problem. This thorough approach means we catch the actual issue, not just the symptoms.

Once we know what’s wrong, we explain it to you in terms that make sense. You’ll know exactly what needs to be fixed, why it happened, and what it’s going to cost before any work begins. Then we get to work with quality parts and make sure everything is running properly before we consider the job done.

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Complete AC Repair Services

Everything Your AC Needs

Our AC repair service covers everything from minor fixes to major component replacements. We handle compressor issues, refrigerant leaks, electrical problems, thermostat malfunctions, and airflow issues that keep your system from cooling properly.

Every repair comes with quality parts and our workmanship guarantee. We also check your entire system during the repair process, so if there are other issues developing, you’ll know about them before they leave you without cool air again.

For Dedham homeowners who want to avoid future breakdowns, we offer AC tune-ups and maintenance through our Dempsey Comfort Club. Regular maintenance catches small problems before they become expensive repairs and keeps your system running efficiently when you need it most.

How quickly can you get to my house for AC repair?

We offer same-day service for most AC repair calls in Dedham, especially during emergency situations when your system has completely stopped working. During peak summer months, we prioritize calls based on urgency—complete system failures get priority over minor issues. When you call, we’ll give you a realistic timeframe based on our current schedule and your specific situation. We understand that when your AC goes out during a heat wave, every hour counts.

What does AC repair typically cost in Dedham?

AC repair costs depend entirely on what’s actually wrong with your system. Minor issues like thermostat problems or clogged filters cost much less than major component failures like compressor replacement. We provide upfront pricing after diagnosing the problem, so you know exactly what you’re paying before any work begins. There are no hidden fees or surprise charges. We’ll also explain if a repair makes financial sense compared to replacement, especially for older systems.

Should I repair or replace my old AC unit?

The decision depends on your system’s age, the cost of the repair, and how often you’ve needed service recently. Generally, if your AC is over 10–12 years old and needs a major repair costing more than half the price of a new system, a replacement often makes more sense. We’ll give you honest advice based on your specific situation. Sometimes a simple repair will give you several more years of reliable service. Other times, continuing to repair an outdated system just means more breakdowns and higher energy bills.

Why is my AC running but not cooling the house?

Several issues can cause this problem. Low refrigerant levels, dirty air filters, blocked outdoor units, or failing compressors are common culprits. The issue is as simple as a thermostat that’s not communicating properly with your system. Other times, ductwork problems or insulation issues make it seem like your AC isn’t working when it’s actually fighting against air leaks. We diagnose the root cause rather than guessing, which saves you time and money on unnecessary repairs.

Do you service all brands of air conditioners?

Yes, our technicians work on all major AC brands, including Carrier, Trane, Lennox, Rheem, Goodman, and others commonly found in Dedham homes. We keep a wide range of parts in stock and can source components for older or less common systems when needed. Our experience with different brands means we understand the specific issues that tend to affect each manufacturer’s units, which helps us diagnose problems more quickly and accurately.

What can I do to prevent future AC breakdowns?

Regular maintenance is the best prevention. Change your air filter every 1-3 months depending on your household and system usage. Keep the outdoor unit clear of debris, leaves, and vegetation. Don’t ignore strange noises or reduced cooling performance—small problems become big ones when left alone. Annual professional tune-ups catch developing issues before they cause complete system failures. Through our Dempsey Comfort Club, we provide scheduled maintenance that keeps your system running reliably and efficiently year after year.

Local Resources

Dedham, MA is located in Norfolk County in Massachusetts State