AC Repair Near Randolph, MA

$99 Air Conditioning RepairDiagnostic

$89 Air Conditioning Repair Diagnostic

$79 Air Conditioning Repair Diagnostic

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Regular Price
$99
$79
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Noticing strange sounds, weak airflow, or rising energy bills? See the full list of hidden HVAC warning signs before it’s too late ↓

AC Repair Near Randolph, MA

(508) 443-6451
(508) 443-6452
(508) 443-6453
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Honest, Fair-Priced AC Repair in Randolph

Our certified technicians bring proven expertise to every call. They complete ongoing training and use the right diagnostic tools. We arrive with well-stocked trucks and common parts. In most cases, your AC repair is fixed on the first visit.

Before any work begins, we explain every option and price clearly. You choose what fits your needs and budget. We service most equipment brands and models. We stand behind our work with a satisfaction guarantee.

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SumZero Energy Systems is Here for All of Your AC Repair Needs in Randolph!

  • Fully Stocked Trucks for faster fixes on the first visit
  • Friendly Professionals who respect your home and time
  • Fully Licensed & Insured for total peace of mind
  • Same Day Service Available when you need it most
  • 100% Satisfaction Guarantee on every repair
  • Complimentary 2nd Opinions to help you make confident decisions

We’re ready to help with AC repair in Randolph, MA—quickly, professionally, and with the neighborly service you expect. SumZero Energy Systems is proud to offer expert air conditioning repair throughout the local area, backed by experience you can trust.

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Top-Quality Heating and Cooling Services Near Randolph, MA

Call Today for Your AC Repair!

Fast, Reliable AC Repair That Restores Your Comfort—Done Right the First Time

AC Repair and Randolph MA’s Trusted Heating & Cooling Professionals — Your Local Experts

AC Repair with SumZero Energy Systems begins with a precise diagnostic to pinpoint the root cause: we assess thermostat settings and controls, measure refrigerant charge, test capacitors and contactors, inspect coils and drains, verify electrical connections, and check airflow. We quickly address common problems such as warm air, poor airflow, strange noises, frozen coils, refrigerant leaks, clogged filters, drainage issues, short cycling, and thermostat failures, then confirm performance to ensure lasting comfort. In addition to AC repair, our full-service team handles furnace and heat pump service, ductless mini-splits, system installation and replacement, seasonal maintenance plans, indoor air quality upgrades, ductwork repair, smart thermostat integration, and responsive emergency service. Count on SumZero Energy Systems for exceptional service, clear communication, and quality craftsmanship—backed by honest recommendations and dependable warranties. We arrive on time, protect your home, and stand behind our work, proudly and professionally serving the Randolph, MA area.

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AC Repair in Randolph

Know the warning signs and risks

If you’re noticing unusual performance, take a moment to review the common signs and risks linked to AC repair needs in Randolph. Addressing issues early helps prevent costly breakdowns. Count on SumZero Energy Systems for prompt, reliable help.

Unresponsive thermostat

Sign

Electrical issues or dead batteries.

‍

Risk

Lack of temperature control can lead to system overuse and higher bills.

Estimated Time for Diagnostic:
20 minutes

Reduced cooling efficiency

Sign

Dirty coils, clogged filters, or failing components.

Risk

Higher energy bills and poor comfort levels.

Estimated Time for Diagnostic:
45 minutes

Water pooling around the unit

Sign

Clogged condensate drain or refrigerant line issues.

Risk

Water damage to your home and mold growth if not addressed.

Estimated Time for Diagnostic:
30 minutes

Unusual rattling or buzzing sounds

Sign

Loose parts or motor issues.

Risk

Continuous use can lead to severe damage and higher repair costs.

Estimated Time for Diagnostic:
30-45 minutes

A/C blowing warm air

Sign

Refrigerant leaks or a faulty compressor.

Risk

Ineffective cooling during hot weather, leading to discomfort and overworked systems.

Estimated Time for Diagnostic:
30–60 minutes

Schedule a Comprehensive Home AC Repair Near You in Randolph, MA

Is your home’s heating system acting up? Trust SumZero Energy Systems for reliable repair services near you. Schedule your appointment today and get expert help on the way!

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Frequently Asked Questions About AC Repair

Have questions about AC repair? You’re not alone—SumZero Energy Systems is here with clear, trustworthy answers to help you make confident decisions.

Why choose SumZero for air conditioning repairs?
We're local, responsive, and focused on customer satisfaction. With transparent pricing and expert technicians, you're in good hands with SumZero.
Will I get a quote before you do the repair?
Absolutely. We explain the issue and provide a straightforward quote before any repair work starts—no pressure, no surprises.
How long does a typical A/C repair take?
Most A/C repairs take 30 to 90 minutes depending on the issue. We'll give you a clear estimate before we begin work.
Do you work with all A/C brands and models?
Yes, we repair all major air conditioning brands—whether it’s central A/C, mini-split, or packaged systems.
Is it better to repair or replace my A/C system?
If your system is under 10 years old and the repair is minor, fixing it makes sense. We’ll give honest advice based on your situation and long-term comfort.
What if my A/C is blowing warm air?
This could be due to low refrigerant, a faulty compressor, or airflow problems. Our techs will quickly identify the cause and get it fixed.
Can you repair my A/C unit on the first visit?
In many cases, yes. Our service vehicles are stocked with common parts, so we can often complete the repair right away.
How much does it cost to diagnose an A/C issue?
We offer a flat-rate $99 diagnostic visit, which includes a full system inspection and a clear explanation of any needed repairs.
Do you offer same-day A/C repair services?
Yes! We do our best to provide same-day appointments depending on availability and urgency, especially during hot weather.
What are the most common signs that my A/C needs repair?
Warm air, unusual noises, weak airflow, frequent cycling, or rising energy bills are clear signs your air conditioner might need attention.