Air Conditioning (AC) Maintenance Near Weston, MA

$99 A/C Tune-Up & No-Breakdown Guarantee

$89 A/C Tune-Up & No-Breakdown Guarantee

$79 A/C Tune-Up & No-Breakdown Guarantee

$99
Regular Price
$99
$89
Available for a Limited Time → Book Today!
Regular Price
$99
$79
Act Now—This Deal Expires Soon!
Noticing strange sounds, weak airflow, or rising energy bills? See the full list of hidden HVAC warning signs before it’s too late ↓

Air Conditioning (AC) Maintenance Near Weston, MA

(508) 443-6451
(508) 443-6452
(508) 443-6453
Schedule Now

Honest, Fair-Priced Air Conditioning (AC) Maintenance in Weston

Our technicians are highly trained and experienced. They carry the right tools and parts to do the job right. We arrive on time and ready to work. In most cases, Air Conditioning (AC) Maintenance is completed on the first visit.

We are clear and transparent. Before any work begins, our technicians explain all options and pricing. We service most equipment brands. Your comfort matters to us, and every job is backed by our satisfaction guarantee.

Schedule Now

SumZero Energy Systems is Here for All of Your Air Conditioning (AC) Maintenance Needs in Weston, MA!

  • Fully Stocked Trucks — Arrive prepared to solve most issues on the first visit
  • Friendly Professionals — Courteous, on-time techs who respect your home
  • Fully Licensed & Insured — Work you can trust, backed by credentials
  • Same Day Service Available — Fast relief when comfort can’t wait
  • 100% Satisfaction Guarantee — We stand behind our workmanship
  • Complimentary 2nd Opinions — Clear, honest guidance before you decide

From seasonal tune-ups to preventative care, our local team is ready to help with Air Conditioning (AC) Maintenance in Weston, MA. We’re proud to professionally serve homeowners in Weston with reliable, neighborly service you can count on.

Ready to get started? Contact Us

See all Offers!

Top-Quality Heating and Cooling Services Near Weston, MA

Call Today for Your Air Conditioning (AC) Maintenance!

Reliable, High-Quality Air Conditioning (AC) Maintenance to Restore Comfort Fast

Air Conditioning (AC) Maintenance and Weston MA’s Trusted Heating & Cooling Professionals — Your Local Experts

SumZero Energy Systems delivers Air Conditioning (AC) Maintenance that keeps your system running efficiently, identifies small issues before they become breakdowns, and gets your home comfortable again quickly. Our technicians perform thorough inspections, clean coils and filters, check refrigerant levels, test electrical components and safety controls, clear condensate drains, calibrate thermostats, and verify airflow and performance. This proactive approach helps resolve common problems like reduced cooling, warm air from vents, short cycling, high energy bills, uneven temperatures, unusual noises, foul odors, refrigerant leaks, and sensor or capacitor failures. Beyond maintenance, we offer expert AC repairs, high-efficiency replacements and installations, ductless mini-splits and heat pumps, indoor air quality solutions, ductwork improvements, smart thermostat upgrades, and priority emergency service. Count on exceptional service, clear communication, and quality craftsmanship from a team that respects your time and home. SumZero Energy Systems is proudly and professionally serving the Weston, MA area.

Schedule Now

Air Conditioning (AC) Maintenance in Weston

Stay alert to warning signs and potential risks

Small clues can signal bigger issues with your system. Review the common signs and risks associated with Air Conditioning (AC) Maintenance in Weston, act early to avoid costly breakdowns, and count on SumZero Energy Systems for prompt, professional support.

Thermostat not responding

Sign

Thermostat doesn’t adjust temperature or seems unresponsive.

Risk

Faulty wiring or a broken thermostat reduces comfort and control.

Estimated Time for Diagnostic:
25 minutes

Frozen evaporator coil

Sign

Ice forming on the coil or refrigerant lines.

Risk

Restricted airflow or low refrigerant can damage the compressor.

Estimated Time for Diagnostic:
50 minutes

Uneven cooling in rooms

Sign

Some rooms feel cold while others stay hot.

Risk

Poor airflow balance strains the AC and creates uneven comfort.

Estimated Time for Diagnostic:
40 minutes

Water leaks around unit

Sign

Puddles or water stains forming near the indoor AC unit.

Risk

Drainage issues can lead to water damage, mold, or corrosion.

Estimated Time for Diagnostic:
35 minutes

Warm air instead of cool

Sign

AC runs but blows warm air into the rooms.

Risk

May indicate a refrigerant leak or failing compressor, which can stop cooling entirely.

Estimated Time for Diagnostic:
45 minutes

Unusual noises

Sign

Humming, rattling, or grinding sounds during operation.

Risk

Loose or damaged parts can cause bigger breakdowns if not fixed quickly.

Estimated Time for Diagnostic:
45 minutes

Rising energy bills

Sign

Energy bills suddenly higher with no change in usage.

Risk

System inefficiency wastes energy and increases operating costs.

Estimated Time for Diagnostic:
20 minutes

Musty or foul odors

Sign

Smell of mold, mildew, or burning when AC is running.

Risk

Mold growth or electrical issues can harm air quality and damage the system.

Estimated Time for Diagnostic:
30 minutes

Frequent cycling on/off

Sign

Unit constantly turns on and off without completing cycles.

Risk

Worn components reduce efficiency and shorten the system’s lifespan.

Estimated Time for Diagnostic:
40 minutes

Weak airflow from vents

Sign

Air barely comes out or feels weaker than usual across the vents.

Risk

Could be clogged ducts or a failing blower motor, leading to poor cooling performance.

Estimated Time for Diagnostic:
30 minutes

Schedule a Comprehensive Home Air Conditioning (AC) Maintenance Near You in Weston, 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!

Schedule Now

Frequently Asked Questions About Air Conditioning (AC) Maintenance

Have questions about keeping your AC running efficiently year-round? You’re not alone—SumZero Energy Systems is here with clear, trustworthy answers.

How do I schedule my A/C maintenance?
Just call or text us, or use our online scheduler. We’ll find a springtime slot that fits your schedule and keep your home cool all summer.
Is A/C maintenance safe for pets or sensitive people in my home?
Definitely. We use eco-friendly products and safe handling to ensure your pets and household are protected throughout the service.
Do you offer any maintenance plans or packages?
Yes! We offer annual comfort plans that include regular service, priority scheduling, and discounts on repairs—ask us for details.
What if you find a problem during the tune-up?
We’ll walk you through any issues, explain repair needs, and provide a clear estimate before beginning any fix.
Do you clean the condenser coil during maintenance?
Yes. We inspect and clean both indoor and outdoor coils—removing dirt and debris that can decrease efficiency and lead to breakdowns.
Can you perform maintenance if my A/C is still under warranty?
Absolutely. Our certified techs follow manufacturer guidelines and use approved parts so your warranty stays valid.
How long does a typical maintenance visit take?
Most visits take about 45 minutes to an hour—long enough for a thorough tune-up but short enough to fit into your day.
Will maintenance help lower my energy bills?
Yes—clean coils, proper refrigerant, & clear filters all improve efficiency. Many homeowners see 10–30% lower cooling costs post-maintenance.
What does your A/C maintenance check include?
Our full inspection covers refrigerant levels, coil cleaning, filter replacement, electrical checks, thermostat calibration, and airflow testing to optimize performance.
How often should I have my air conditioner serviced?
We recommend a professional tune-up at least once a year—ideally in spring—so your A/C runs efficiently and reliably during peak summer months.