AC Replacement Service in Connecticut

Is your air conditioning system on the fritz? Have you been searching for a quality contractor that provides AC replacement service? Look no further. Total Mechanical Systems LLC is Connecticut’s go-to contractor for HVAC installation and replacement!

Total Mechanical Systems LLC has been providing AC replacement since 2001. Our technicians are state-licensed and NATE Certified. We install custom residential and commercial HVAC solutions that meet your comfort and budget needs. We also install, replace, and maintain all makes and models of equipment.

Let us evaluate your home heating and air conditioning needs with a FREE on-site consultation so you get the perfect fit. Stay comfortable year-round with high SEER and HSPF-rated and ENERGY STAR® labeled HVAC systems installed by Total Mechanical Systems LLC.

Is Your A/C System Not Working?

We can help! We offer 100% guaranteed air conditioning repair services. We know how important your comfort is, especially on a humid and hot day in Connecticut. Call our comfort care team for service today!

TMS Does Cooling Best!

Note: TMS does not provide services for window or through-the-wall A/C units.

Specials

Financing Options Available

Need a new system? Don’t let cost hold you back. We offer flexible financing with approved credit so you can stay comfortable now and pay on your terms.

We Partner with the Best

Connecticut Air Conditioning, Heating, Plumbing and Electrical Services

From emergency repairs to full system installs, Total Mechanical Systems keeps your home comfortable, efficient, and worry-free.

How Total Mechanical Systems Gets It Done

Request Service From Total Mechanical Systems

1. Request a Service Visit From Total Mechanical Systems

Total Mechanical Systems offers fast response times and reliable scheduling. Simply call us or use our online scheduling tool.

Get Upfront Pricing Options

2. Get Upfront Pricing Options​

A licensed technician will diagnose the issue and provide an estimate before any work begins. No hidden fees, just upfront, honest pricing.

Relax While We Fix Your Problem

3. Relax While We Repair Your Problem

We handle every repair efficiently and effectively, ensuring the job is done right the first time. All you have to do is relax.

4. Let Us Know How We Did

Total Mechanical Systems is committed to excellent service, backed by a 100% guarantee. We'd love to hear from you once your repair is complete.

Why Choose Us?

We stand by our 100% customer satisfaction guarantee

BBB Accredited Business

We have been fully accredited by the BBB for over a decade.

Award Winning Service

We’re humbled to be considered one of the top home service companies in the Connecticut area.

Professional Staff

Our highly trained and certified ac technicians are dedicated to offer 5 star service every time.

Hassle-Free
We worry so that you don’t have to. We offer stress-free service calls and installations.

Carrier Factory Authorized Dealer

From air conditioning, heating, and air quality solutions, we’re prepared to bring you the Carrier experience and their exacting standards.

As a Carrier Factory Authorized Dealer, Total Mechanical Systems LLC has met strict criteria to sell, install, and maintain its products. Not just any company can earn that designation!

Total Mechanical Systems is Plainville’s leading heating and air conditioning contractor.

We’ve partnered with Service Finance Company to offer Finance for qualifying Purchases.

You can qualify for financing, rebates and instant discounts! Contact us to learn how.

We are here for all of your home comfort needs!

AC Replacement Service in Connecticut FAQs​

Our licensed technicians will evaluate your system’s age, condition, and repair costs to help you make the best decision. Generally, if your AC is over 10-15 years old, requires frequent repairs, or the repair cost is more than 50% of a new system’s price, replacement is often the smarter investment. We’ll provide honest recommendations based on your specific situation and budget during our free on-site consultation.
As a Carrier Factory Authorized Dealer, we specialize in installing Carrier air conditioning systems, which are among the industry’s most reliable brands. However, we also install, replace, and maintain all makes and models of HVAC equipment to meet your specific needs and preferences. Our technicians are trained to work with any brand you choose.
Most residential air conditioning replacements can be completed in one day, typically taking 4-8 hours depending on the complexity of the installation. Factors like system size, accessibility, ductwork modifications, and whether we’re replacing just the outdoor unit or the entire system can affect the timeline. Our team will provide you with a clear timeframe during your free consultation.
Yes! We’ve partnered with the Connecticut Energy Efficiency Fund to offer EnergizeCT rebates for qualifying high-efficiency installations. We also offer financing through Service Finance Company for qualifying purchases, making it easier to afford the comfort system you need. Contact us to learn about current rebates, financing options, and any available discounts.
Being a Carrier Factory Authorized Dealer means we’ve met Carrier’s strict standards for sales, installation, and service of their equipment—a designation not every company can earn. This ensures you receive expert installation, access to genuine Carrier parts, warranty protection, and technicians who are specifically trained on Carrier systems. You get the full Carrier experience with the confidence that your investment is protected.

Related Services

Air Conditioner Installation

Air Conditioning Maintenance & Repair in Plainville CT | TMS Comfort

A/C Repair in Connecticut

What Connecticut Homeowners Say About Us

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