Professional Furnace Installation in Johnston

When winter arrives, you need reliable heat in your home. A new furnace gives you peace of mind when Rhode Island temperatures drop.

At GEM Plumbing & Heating Services, we take your needs seriously. Having a quality furnace in place is about more than just comfort; it’s also about safety.

Our team has been installing furnaces in Johnston since 1949. We evaluate your home’s layout and budget, suggest the best furnace for your needs, and guarantee reliable warmth throughout winter. Call GEM today to schedule your furnace installation in Johnston.

(833) 222-2953

GEM Technicial Inside Van


(833) 222-2953

GEM: Your Local Johnston Furnace Installation Company

Johnston sits at higher elevation than Providence, and that means colder overnight lows and different heating demands than properties closer to sea level.

The Route 6 corridor through town sees plenty of traffic but not much foot traffic – this is residential Rhode Island where homes are spread out and heating systems work hard all winter. GEM’s technicians have worked in Providence County for decades.

We know which furnaces hold up through 15 Rhode Island winters and which ones don’t. We account for your property’s elevation, insulation, and layout when we size equipment – not just square footage from a tax card.


Skilled employees

Trucks on the Road

Years in Business

Emergency Service


Our Furnace Installation Process

Getting a new heating system installed shouldn’t feel complicated or stressful. At GEM, we believe furnace installation should be straightforward, transparent, and customized to your home’s specific requirements. Here’s what you can expect when you work with GEM for furnace installation in Johnston:

Our team will evaluate your home’s size, insulation, and current ductwork to recommend the right furnace capacity and model for optimal performance.

You’ll receive a detailed, upfront estimate that outlines all costs, available rebates, and financing options so you can make an informed choice without pressure or surprises.

Once you approve the plan, GEM’s licensed technicians will carefully remove your old equipment and professionally install your new furnace, following all safety codes and manufacturer specifications.

We test your new furnace extensively to ensure it’s running safely and efficiently, then walk you through its operation and maintenance needs. With GEM’s Home Comfort Club, you’ll receive routine tune-ups, priority scheduling, and ongoing peace of mind knowing your system will stay in excellent condition.

Female Gem Plumbing u0026 Heating employee sitting at a desk smiling

(833) 222-2953


What Our Customers Are Saying

100% Satisfaction Guarantee

4.6
Based on 8532 reviews
Very nice technicians polite and did a great job tune up on my generator thank you
Aaron came for a 2nd successful visit. This time to figure out the cause of low/no water pressure in some of our H&C setups for 5 bathroom sinks. He left with 3 sinks H&C flowing freely & demonstrated the need for 2 new faucet installations so Hot H2O could be restored to the remaining sinks. Much appreciated as others had immediately started talking about replacing pipes without investigating less complicated solutions. As before, Aaron was a professional pleasure to have in our home & pricing will be the only holdup for us to continue with the faucet installations. Due to him, I have high hopes for the GEM electrician arriving next week & the HVAC maintenance later this month.
Courteous friendly service people, give complete information about work needed.
Those guys were awesome. They were very respectful and professional.
We have been a customer of Gem plumbing for a long time, yesterday Alexander R was out, He was the very best technician we have ever had. He was polite, considerate professional, detailed, informative and very thorough. Thank you for being a company that we can trust. we have always been happy with all your technicians and your work. A company we can count on that is saying something in todayโ€™s market.
Timely and professional service. Took the time and effort to complete job in the right way.
Very helpful in getting to me earlier than expected during the heat wave. I would recommend GEM to everyone.
Chris did a great job. Very pleasant and professional!
Great team came to fix our leaking pipe. Truly professional. Did what needed to be done and were extremely well versed in codes and fixing mistakes of the past.
Had a furnance replaced. Went with a tank less water and furnace combi. Best decision made.
Excellent Service!! As usually
Nick is extremely knowledgeable and polite. Service to our AC was exceptional.Thank you. Highly recommend GEM…and especially Nick.
They provided fast and professional service.
Thank you Ryan for helping my case today. Called GEM this morning because my water heater broke out of the blue and there was water all over my basement. They put me on an emergency list and within an hour I had the guys here to check it out. Unfortunately I needed a new water heater and they were able to help me with that. They were fast, cordial and very efficient. Iโ€™m recommending them to everyone I know and have their number saved on my phone.
Joe and Danny came and did a great job. Replaced three-valve shower faucet with a single valve.
David came to fix the flange for my toilet. He made a quick and effective diagnosis and then did the repair in just a few hours, anytime I run into plumbing issues ill be calling GEM again, wonderful service
he did a great job
GEM came thru when our sinks were clogged. Colin exhibited professionalism in every way
Thoughtful and shared every step.
GEM workers well qualified, friendly and extremely helpful. Installed two new units in one day – efficient and excellent work.
Great service and smart young man Jordan was able to quickly solve problem with my AC unit and was extremely professional and talked me through the problem!
Thank you so much to Bill and Anthony for coming out and repairing our furnace. They were both very friendly and knowledgeable and answered all of my questions! Thank you again!!
Jonathan was very neat and helpful with my emergency plumbing needs
Honest and fair. Work was clean and well communicated. Response to issue was 24 hours. The three techsโ€ฆAnthony, Brody, and Nick, were polite quiet clean work and communicated step by stepโ€ฆ job well done.
Paul V from Carmineโ€™s, arrived promptly and was very professional, knowledgeable, patient and has a great demeanor. He changed the control board of my HAVAC unit, and gave me great suggestions of the usage of it. Paul is very sincere and you can see his dedication to his work. I would definitely recommend Carmines and Paul V for any of your HAVAC needs.

GEM technician portrait in front of GEM service truck

(833) 222-2953

How to Know When You Need a New Furnace Installed

Your furnace won’t last forever, and recognizing when replacement makes sense can prevent sudden breakdowns and higher energy costs.

Here are the key factors our team considers when helping decide if you need a new heating system:

If your furnace needs frequent service visits or keeps breaking down throughout the heating season, you’re likely spending more on repairs than the system is worth. Instead of continuing to patch an aging unit, invest in a new furnace for reliable comfort and long-term savings.

When some rooms stay warm while others remain cold, your furnace may no longer be distributing heat properly. This often happens when the blower motor weakens or internal components wear out, signaling that replacement is the smarter choice. When you need furnace installation in Johnston, GEM is here to help.

If your energy bills continue climbing even though your heating habits haven’t changed, your furnace is probably losing efficiency. Older systems must work harder to generate the same amount of heat, wasting energy and increasing costs. A modern, high-efficiency furnace can dramatically reduce those monthly expenses.

Most heating systems last around 15 to 20 years with regular maintenance. If yours is approaching that age, start exploring replacement options before it fails during a frigid Johnston winter. If your heating system in Johnston is nearing the end of its expected lifespan, upgrading now prevents emergency situations later.

We Install All Types of Furnaces in Johnston

Every home has different heating requirements, and at GEM, we install a complete range of furnace types to match your home’s layout, energy source, and efficiency goals.

Our licensed HVAC technicians will help you choose the best system for your space, budget, and long-term comfort. Here’s a look at the types of furnaces we install in Johnston:

Gas furnaces are among the most popular and efficient heating options throughout Rhode Island. They run on natural gas to deliver steady, powerful heat, making them a smart choice for homes with gas service. GEM installs gas furnaces in Johnston that provide reliable performance and help lower your monthly energy bills, even during the coldest winter nights.

For homes without access to natural gas lines, oil furnaces offer a proven, dependable heating solution. These systems generate strong, consistent warmth and handle New England winters with ease. GEM installs high-efficiency oil furnaces in Johnston designed to maximize heat output while minimizing fuel consumption, giving you reliable comfort throughout the heating season.

Electric furnaces deliver clean, quiet heat without requiring gas connections or oil storage tanks. They’re an excellent option for smaller homes or properties where electricity is the primary energy source. GEM installs and services electric furnaces that provide even, comfortable warmth with minimal maintenance requirements.

If reducing your environmental footprint while cutting heating costs appeals to you, solar-assisted furnaces combine renewable energy with traditional heating methods. These systems use solar panels to capture energy from the sun, supplementing your furnace’s power needs. GEM can help design and install solar-supported heating solutions that deliver sustainable comfort year-round.

Don’t see your preferred furnace type listed here? GEM also installs horizontal, upflow, and downflow furnaces to suit your Johnston home’s specific configuration and installation needs.

  • Horizontal Furnaces: For smaller spaces, horizontal furnaces are installed on their side, perfect for attics, crawl spaces, or tight basements.
  • Downflow Furnaces: Suitable for attics or other high placements, downflow models pull in air from above, distributing it downwards.
  • Horizontal Furnaces: For smaller spaces, horizontal furnaces are installed on their side, perfect for attics, crawl spaces, or tight basements.

Homeowners Trust GEM for Johnston Furnace Installations: Here’s Why

For more than seven decades, GEM has been the trusted choice for furnace installation in Johnston and throughout Rhode Island.

At GEM, we’ve built our reputation on doing things the right way, because your comfort and safety come first.

When your furnace stops working, waiting days for an appointment isn’t an option, especially in the middle of a Johnston cold snap. GEM provides same-day service and emergency availability to restore comfort to your home as quickly as possible. Whether it’s a full furnace replacement or a last-minute installation, you can trust GEM to deliver prompt, professional service when you need it most.

Installing a new furnace is just one part of creating a comfortable, efficient home. GEM also provides comprehensive HVAC support, including system design, ductwork evaluation, thermostat integration, and long-term maintenance. With GEM, you get everything you need in one place: no juggling multiple contractors or paperwork.

GEM isn’t a faceless corporation headquartered somewhere else; we work and live in your community. These local roots mean we understand the unique heating needs of Johnston homes and can respond quickly when you need service.

GEM’s HVAC technicians are NATE-certified and factory-authorized, bringing industry-leading training and hands-on experience to every installation. We stay up to date on the latest furnace technologies and energy-efficient models, ensuring every system we install meets the highest performance and safety standards. With over 75 years of service in New England, we’ve seen it all and know how to install systems built to last through Rhode Island’s toughest winters.

GEM believes in clear communication and honest pricing from your first consultation to the final system check. You’ll receive a detailed, upfront estimate that outlines every cost, so there are no surprises later on. Our technicians take the time to explain your options, answer questions, and guide you toward the best solution for your home and budget.

At GEM, we back every job with strong warranties, dependable maintenance plans, and lasting support. Our work is built to exceed expectations, and our reputation rests on every service call we make. As a Carrier Factory Authorized Dealer, GEM helps you take advantage of valuable rebates and incentives when installing energy-efficient heating systems. When you choose GEM, you’re choosing a partner that’s been trusted in Johnston since 1949 and will be here for many years to come.

GEM technician entering service vehicle for home repair visit

(833) 222-2953


customer and technician interaction

Our GEM Family Cares for Your System’s Entire Life

Every HVAC system needs occasional maintenance to run at its best, and GEM makes it easy to get the help you need with our Home Comfort Club.

We created our maintenance plan to make sure you never have to worry about missing another tune-up, while providing you with plenty of other great benefits. Our Home Comfort Club makes maintenance easy with annual tune-ups, priority scheduling, and discounts on repairs. We catch problems before they become emergencies and keep your system running the way it should, year after year.


Contact GEM for Furnace Installation Services in Johnston

Don’t wait for the next cold snap to find out your furnace can’t keep up.

GEM is here to help with fast, professional furnace installation throughout Johnston and Rhode Island. Call or contact GEM today to schedule your furnace installation appointment in Johnston, RI!

GEM technician in front of service truck

Other HVAC Services You May Need

Furnace installation is just one of GEMโ€™s comprehensive range of heating and cooling services. Browse our other services below.


Furnace Installation FAQs

What are the signs I need a new furnace?

Common signs include frequent breakdowns, rising energy bills, uneven heating throughout your home, and a system that’s 15 to 20 years old. If you’re experiencing any of these issues, it’s worth having GEM assess whether repair or replacement makes more sense.

How much can I save with a high-efficiency furnace?

High-efficiency furnaces can reduce your heating costs by 20% to 40% compared to older models. The exact savings depend on your home’s size, insulation, and how much you currently spend on heating. GEM can help you calculate potential savings based on your specific situation.

What size furnace do I need for my Johnston home?

Furnace size depends on your home’s square footage, insulation levels, window quality, and ceiling height. Our technicians perform detailed calculations to determine the right capacity, ensuring your system heats efficiently without cycling too frequently or wasting energy.

Can GEM install my new furnace quickly if my old one breaks down?

Yes. GEM offers same-day service throughout Johnston and can often complete emergency furnace installations within 24 hours to get your heat restored as quickly as possible.

Do I need to replace my thermostat when I get a new furnace?

Not always, but upgrading to a programmable or smart thermostat alongside your new furnace can improve comfort and efficiency. GEM can assess your current thermostat and recommend whether an upgrade makes sense for your situation.

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