Upgrade Your Home Comfort with Professional HVAC Replacement from GEM

When your heating or cooling system struggles to keep up, it disrupts your comfort, efficiency, and peace of mind.

A properly selected HVAC system can reduce energy costs, operate more quietly, and maintain consistent comfort through New England’s demanding seasonal shifts.

GEM Plumbing & Heating Services, LLC, makes the replacement process straightforward and dependable. Our team evaluates your home, recommends the right high-efficiency system, and completes the installation with attention to detail so you can count on lasting performance and reliable service.

(833) 222-2953

GEM Van Outside Hyatt


Local HVAC Replacement Backed by Trusted Experience

Serving Rhode Island and Southeast Massachusetts with a team that understands your home and your community.

GEM has been part of the communities it serves since 1949, with technicians who live and work in the same areas as the homeowners they support. That local perspective, combined with NATE-certified training, allows our team to recommend and install HVAC systems that perform reliably in New England conditions while delivering a level of service built on familiarity, responsiveness, and long-standing trust.

Years in Business

Skilled employees

Emergency Service

Trucks on the Road


(833) 222-2953

24-Hour Emergency HVAC Service When Your System Fails

Heating and air conditioning systems tend to fail at the worst possible times: during extreme heat, freezing temperatures, or outside normal business hours. GEM is available 24/7 to respond to urgent heating and AC repair needs and restore comfort to your home without unnecessary delays. With more than 500 service vehicles and a team of over 700 skilled professionals across Rhode Island and Southeast Massachusetts, GEM is built to respond quickly. From your first conversation with our team, you’ll get clear guidance and a focused approach to getting your new system in place so your home feels comfortable again.

What to Expect During Your GEM HVAC Replacement

Replacing your HVAC system is a big decision, but it doesn’t have to feel overwhelming.

At GEM, we guide you through every step so you know exactly what’s happening and what comes next.

We start with a thorough evaluation of your current system, home layout, and comfort concerns. Then we recommend the right HVAC solution tailored to your home, energy goals, and budget.

Before any work begins, we walk you through transparent pricing, available rebates, and financing options. Once you’re ready, we schedule your installation at a time that works for you.

Our experienced HVAC technicians carefully remove your old equipment and install your new system with precision and care. We never cut corners. Our team protects your home during the process and ensures every component is set up for optimal performance and efficiency.

After installation, we fully test your new system to confirm it’s running safely and efficiently. We also show you how everything works and share information about maintenance steps to keep your system performing at its best.

GEM Plumbing & Heating call center representative at desk

(833) 222-2953

GEM technician standing beside branded service van

(833) 222-2953

How a New HVAC System Delivers More Comfort and Savings

Upgrading your HVAC system is an investment in your comfort, efficiency, and peace of mind.

Modern high-efficiency systems use less energy to heat and cool your home, which can significantly reduce your monthly utility costs. With proper sizing and professional installation from GEM, you’ll get the most value from every dollar you spend on energy.

A new HVAC system delivers more consistent temperatures from room to room and better humidity control throughout your home. Many systems also offer advanced filtration options that help reduce allergens, dust, and airborne pollutants.

If your current system needs frequent repairs, replacement can eliminate ongoing service calls and unexpected breakdowns. A new system provides dependable performance, especially during extreme New England weather.

Upgraded HVAC equipment can make your home more attractive to future buyers and improve overall energy efficiency. Plus, with available rebates and financing options, replacing your system can be more accessible than you might expect.

Why You Should Trust GEM for HVAC Replacement

Choosing the right HVAC company for your replacement matters just as much as choosing the right equipment.

At GEM, we combine decades of experience, deep local roots, and a customer-first approach focused on delivering exceptional results that make your investment feel confident and secure.

GEM has proudly served Rhode Island and Southeast Massachusetts for more than 75 years. Our long-standing presence reflects the trust generations of homeowners place in us.

Our team includes NATE-certified professionals who stay current with the latest technology and best practices. You can feel confident knowing your system is installed to the highest industry standards.

GEM is a Carrier Factory-Authorized Dealer, National Grid Value Plus Installer, and Mass Save Heat Pump Installer. We’re also affiliated with respected organizations like ABC, PHCC, and ACCA, reinforcing our commitment to excellence.

When your system fails, you don’t have time to wait. With same-day availability and 24-hour emergency service, our team is ready to respond when you need us most.

We provide clear, upfront pricing so you can make informed decisions without surprises. Our dedicated team also helps you navigate available rebates and financing options to maximize your savings.

Beyond HVAC replacement and heating and cooling services, GEM also provides electrical and plumbing services, giving you one trusted partner for your entire home. If additional updates are needed during your replacement, we can handle them seamlessly.

We treat your home with care, maintaining a clean, organized workspace from start to finish. Our team takes steps to protect your floors, minimize disruption, and leave your space as clean as we found it. Every detail of the installation is handled with professionalism and respect, so you can feel confident not just in the results, but in the experience of working with GEM.


What Our Customers Are Saying

100% Satisfaction Guarantee

4.6
Based on 8686 reviews
Two Gem workers showed up to do annual service on time. Dave and his coworker were friendly, professional and excellent communicators.
The professionals from Gem came to our house to fix a leaky well pump. Fortunately, they diagnosed the problems, and were able to replace our well and tank all in one day. They showed me how bad the pump and tank were, gave us options, gave us estimate. After everything was installed they tested everything to make sure it was in working order. I had a great experience, and I would highly recommend using them. I cannot thank them enough.
Chris and Nem cleaned & checked the parts of my A/C system making sure all was functioning properly. Both helped me have a better understanding of how the unit works & things to consider as upgrades to the HVAC system. Based on their visit I plan to renew my annual maintenance plan.
Quick appointment, resolution and everything‘s working great
Great experience. On time, pleasant and performed work efficiently.
Excellent professional service. Joseph explained everything about our annual A/C maintenance service. He is a fine representative for GEM.
Dovantay was very knowledgeable and professional.Dovantay did a great job.
Was able to get an appt right away and excellent technicians
GEM customer service and technicians are great. They communicate with you, are prompt, courteous and very knowledgible.
Quality work, fast response time. Great staff and incredible technicians.
Thanks for your excellent service.
Scott was kind and very welcomed , explained what the issue could be and recommended few option , he was very thorough and knowledgeable.
Luis and Edwin did an OUTSTANDING job in replacing my old furnace with a new one. They were thorough in every aspect of the job. From removal to the new install and clean up. Very professional and answered any questions I had. I can't thank them enough for the excellent Jobe they performed. 👍👍👍👍
He was on time , very professional, and knew how to correct our plumbing problem9 on
Excellent service, highly recommended. We had a ceiling fan replaced with a chadelier on a cathedral ceiling. It was not that easy, and they did a great job!
Knew his business well, was extremely friendly and patient with me. Overall, just a very pleasant experience.
Anthony Pena was SUPER !

Labor Price was RIDICULOUSLY Overpriced !!!!
Outstanding evaluation of mini split 2 heads and the exterior fan. Excellent service for better maintenance going forward. Detailed inspection and testing of all components including outside line bundles and their likely performance considering deterioration to date. Options, benefits and costs compared and explained. Decisions made and work performed immediately and perfectly!!! Thank you Richard and later for satisfaction follow up. Calling GEM is the best decision I have made as a homeowner. THANK YOU!!! To Eric, Genaro, Jacob, Leo, and your whole team for your superlative work ethic and dedication to the process from of dismantling our 80 year old boiler / hot water system to installation of our new tankless water heater system. And the GREAT clean up also! You are highly trained professionals and finely tuned team. Your attention to every detail and completion of each phase has made me a happy and confident customer.
Knowledgeable and friendly
Technician was very responsive and with great attention to detail.
I've dealt with Carmines for years. Decided to give them another job following their acquisition by GEM. Still the same good-hearted people. Paul came to our house & w/in minutes diagnosed the prob with our mini-split AC system: a clogged drain. He explained everything about the system; did a great job; & was a pleasure to speak with.
I contacted the office later with a billing inquiry later. Sonja in Customer Service resolved my call to my satisfaction. I will do business with GEM Carmine's again.
Josh and Kevin were fantastic. They showed up on time and were very helpful and professional. At every step of the process, they kept me informed. They tested the units and showed me and my wife how to operate and select the functions we like with our remote. Thank You GEM for a great job. Thanks Kevin and Josh for your professional manner and you're great work.
All options were explained with pros and cons of each. The Technician was extremely polite and professional in explaining the options and repairs that were needed.
Very happy with the service. The men were kind, professional, and did quality work. The whole process from booking the appointment to work being finished was very fast.
John was very conscientious

Get More from Your System with the Home Comfort Club

Ongoing maintenance through GEM’s Home Comfort Club helps you avoid surprises, control costs, and keep your home consistently comfortable.

Heating and cooling systems perform better and last longer when they’re properly maintained. The Home Comfort Club is designed to make that easy, with scheduled tune-ups that keep your system running efficiently, reduce the risk of unexpected breakdowns, and support better indoor air quality and steady comfort throughout your home.

Membership also gives you priority scheduling and dedicated attention when you need service, so you’re not waiting during peak seasons. With your system professionally maintained year after year, you gain confidence in its performance while protecting your investment and avoiding unnecessary disruptions to your routine.

customer and technician interaction


GEM technician entering service vehicle for home repair visit

(833) 222-2953

Is It Time to Replace Your HVAC System? Watch for These Common Signs

When your HVAC system starts to struggle, your comfort and energy bills often pay the price. Knowing the warning signs can help you plan ahead and avoid a sudden breakdown at the worst possible time.

Most HVAC systems are designed to last around 10–15 years with proper maintenance. If yours is reaching that range, a replacement may be more cost-effective than continuing to invest in repairs.

Occasional repairs are normal, but repeated service calls can quickly become expensive and frustrating. If you’re fixing your cooling or heating system every season, it may be time to consider upgrading to a more reliable solution.

An aging or inefficient system has to work harder to heat and cool your home, which can drive up your utility costs. A new high-efficiency system installed by GEM can help lower monthly energy expenses.

Hot and cold spots, weak airflow, or a system that constantly runs are signs it’s no longer performing at its best. Replacing your equipment can restore consistent comfort and give you better control over your indoor environment.


Start Your HVAC Replacement with a Team You Can Trust

When your HVAC system can’t keep up, you deserve a solution that’s efficient, dependable, and built to last.

Schedule your HVAC replacement consultation with GEM today to take the first step toward improved comfort and lower energy costs. Our team makes your HVAC replacement simple and stress-free from start to finish.

GEM technician in front of service truck


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Frequently Asked Questions About HVAC Replacement

How do I know if I should repair or replace my HVAC system?

If your system is over 15 years old, needs frequent repairs, or struggles to keep your home comfortable, replacement may be the more cost-effective option. The HVAC professionals at GEM will evaluate your system and provide honest guidance so you can make the best decision for your home.

How long does HVAC replacement take?

Most HVAC replacements can be completed in a single day, depending on the size and complexity of the installation. Our team works efficiently while protecting your home and ensuring every detail is handled correctly.

Can a new system really lower my energy bills?

Yes. Modern high-efficiency systems are designed to use less energy while delivering better performance. With proper sizing and professional installation, you can expect improved efficiency and potential savings on monthly utility costs.

Are rebates or financing options available?

In many cases, yes. GEM helps homeowners take advantage of available rebates through programs like National Grid and Mass Save, and we offer financing options to make upgrading your system more accessible.

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