Get matched with top heating and air conditioning pros in Denville, NJ

Gold Medal Service

4.00(

927 local quotes requested

Free onsite estimate

Gold Medal Service is your premier choice for Electrical and Home Systems needs! In the New York City (Tri-State Area). Our team of experts is dedicated to providing top-notch service. With our unmatched expertise and commitment to customer satisfaction. Contact us today for a gold standard service experience.

"I recently replaced the heating/air conditioning unit in my townhome. It was an easy process start to finish. Aiden (sales) answered all my questions and provided options for my needs. Mick the technician was on-time and thorough. These guys represented their company well. Great experience working with Gold Medal Service."

Isa R on January 2025

"I recently replaced the heating/air conditioning unit in my townhome. It was an easy process start to finish. Aiden (sales) answered all my questions and provided options for my needs. Mick the technician was on-time and thorough. These guys represented their company well. Great experience working with Gold Medal Service."

Isa R on January 2025

Gold Medal Service

Gold Medal Service

Customers say: Super punctual

81 local quotes requested

45 years of experience

Plumbing, HVAC, and electrical systems make your house livable. One minor issue with any of these systems can put your home at a standstill. In case you find yourself in this unfortunate situation, know that you can count on Gold Medal Service. For over 24 years, our company has been taking care of the homes of New Jersey residents through our top quality plumbing, HVAC, and electrical services. We are available 24 hours a day, 7 days a week to address even the most mind-boggling issues of your in-home equipment. From repairs, installations, and upgrades, our technicians are known for getting the job done right every time. We also provide upfront pricing with a full description of the service before commencing work to avoid any surprises down the line.

"I just finished having my new furnace and AC unit installed by Gold Metal. Workers were really great and did a very good job. Did a great job of leaving the area very clean and were very professional. I have used Gold Metal for years and have always been happy with their service. I would highly recomend their services."

JEFF K on August 2025

"I just finished having my new furnace and AC unit installed by Gold Metal. Workers were really great and did a very good job. Did a great job of leaving the area very clean and were very professional. I have used Gold Metal for years and have always been happy with their service. I would highly recomend their services."

JEFF K on August 2025

Petro Home Services

4.44(

Petro Home Services

4.44(

Customers say: True professional

572 local quotes requested

122 years of experience

With over 100 years experience, we know how to keep you comfortable, safe and help you save on energy costs. Our local 24/7 customer service and support means automatic heating oil deliveries and our service response is always fast. We never run out of heating oil plus our pricing and payment plans are designed to help you manage your costs all year round. Experience the Petro difference today!

"Worst service I’ve ever have experienced. They wanted to sell me the product, never told me that there was an early termination fee and another penalty for an initial offer they gave me. Had double charges every month, once for the oil they provided (which they never told me they were going to provide before coming. They just came without my knowledge and then I find a high amount bill) and another for an “automatic payment” for 500 that they never could explain. The didn’t even fix this issue and it kept happening every month even after I cancelled the service. Then having to call them is a hastié for the refund of the 500. Stay away of this company"

Axel R on January 2023

"Worst service I’ve ever have experienced. They wanted to sell me the product, never told me that there was an early termination fee and another penalty for an initial offer they gave me. Had double charges every month, once for the oil they provided (which they never told me they were going to provide before coming. They just came without my knowledge and then I find a high amount bill) and another for an “automatic payment” for 500 that they never could explain. The didn’t even fix this issue and it kept happening every month even after I cancelled the service. Then having to call them is a hastié for the refund of the 500. Stay away of this company"

Axel R on January 2023

Dawson Mechanical Contracting

Dawson Mechanical Contracting

Recommended by 95% of Angi customers

315 local quotes requested

We are a BPI Building Performance Institute Accredted Plumbing and HVAC company, We are licensed plumbers and I am a certified plumbing instructor and fire inspector I also have 2 Backflow testing certifiactions. We do the highest quality residential and commercial work with my highly trained staff. I am the past president of the N.J. State league of Master plumbers for 2010-2011

"Want to give great praise to David Weinfeldt and staff. I experienced home boiler and pipe issues. Compared to other's Dave gave a excellent and fair price quote. I had other quotes, but Dave stood behind his. I accepted his offer. Omar and William arrived on time. They looked at the task and gave a great resolution. Replacing pipes and boiler work is never easy, especially when working behind walls etc. Omar and William did a neat and professional job. When completed they showed me what was done and offered great maintenance advice. Dawson Mechanical is the way to go. "

Kevin B on November 2025

"Want to give great praise to David Weinfeldt and staff. I experienced home boiler and pipe issues. Compared to other's Dave gave a excellent and fair price quote. I had other quotes, but Dave stood behind his. I accepted his offer. Omar and William arrived on time. They looked at the task and gave a great resolution. Replacing pipes and boiler work is never easy, especially when working behind walls etc. Omar and William did a neat and professional job. When completed they showed me what was done and offered great maintenance advice. Dawson Mechanical is the way to go. "

Kevin B on November 2025

Farina Plumbing

Farina Plumbing

Customers say: True professional

43 local quotes requested

34 years of experience

Farina Plumbing is a licensed master plumber in the state of New Jersey; I am a licensed professional plumbing inspector and hold specialty licenses as an ICS (industrial commercial specialist). HHS (high-rise hazard specialist), and being a sub-code official. I am fully affiliated with the state of New Jersey plumbing codes. We charge a service fee to arrive for serious inquires of 75 dollars. The 75 dollar fee will be waived if job is complete. We have been a reliable plumber for 38 years and have been doing plumbing inspections for over 25 years. We offer the utmost customer service and can guarantee you will be satisfied with our service. Give us a call today! 2013969351

"What a great experience- often you don’t know what you’ll get. This is not about contractor nightmares but a dream outcome. My two sinks ( kitchen and bar) had faucets replaced. Everything was done to perfection. And because the garbage disposal was not in in time Ken offered to return- now THAT is customer service. "

Vanessa T on November 2025

"What a great experience- often you don’t know what you’ll get. This is not about contractor nightmares but a dream outcome. My two sinks ( kitchen and bar) had faucets replaced. Everything was done to perfection. And because the garbage disposal was not in in time Ken offered to return- now THAT is customer service. "

Vanessa T on November 2025

MDL Electric, LLC

MDL Electric, LLC

Recommended by 97% of Angi customers

10 years of experience

is committed to excellence every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests and make their concerns the basis of our business

"They did a good job replacing the 220v outlet to 120v. Good pricing too."

Maria R on May 2024

"They did a good job replacing the 220v outlet to 120v. Good pricing too."

Maria R on May 2024

Adriatic Aire, LLC

4.58(

Adriatic Aire, LLC

4.58(

Customers say: True professional

11 local quotes requested

52 years of experience

Ross Pucci with Adriatic Aire, LLC, would like to provide you with the same exceptional HVAC service our current customers in the Clifton area enjoy. Call us today! At Adriatic Aire, LLC, our priority is you, the customer. We have been keeping residential and commercial customers comfortable throughout Northern NJ for 40 years. When your HVAC equipment needs servicing, you can count on Adriatic to provide you with a fair and honest assessment to help get your system up and running.

"Honest and helped us repair rather than replace the furnace with significant savings. Thank you!"

Carolyn P on March 2024

"Honest and helped us repair rather than replace the furnace with significant savings. Thank you!"

Carolyn P on March 2024

J&S Heating & Cooling

3.00(

J&S Heating & Cooling

3.00(

18 years of experience

Our team is passionate & professional and committed to providing the absolute best experience for our clients. Our obsession over cost, schedule, safety, and quality ensures that projects are completed on time, within budget, and with impeccable attention to detail. From beginning to end of every project, our goal is to bring every aspect and detail of our client's concept to reality. We believe that strong communication, integrity, organization and honesty are the principles that have given us such a trusted reputation in a competitive industry. We are proud of the work that we do, and passionate about bringing visions to life. Give us a call today!

"First of all I wanna mention that my experience is similar to many people who have been serviced by j&s as it appears in their Yelp reviews. I had a working furnace that was tripping because of limited airflow, they practically forced me to change the furnace. Which, cost me $4000 and took over 2 weeks. Then the new one had a defective gas valve. Then the furnace kept tripping and stopped working even after changing the valve. I had to reopen the work order for the 3rd time. When they came they found out about the limited airflow from the dirty coil. They said they'll talk with AHS and get back to me, but what they did is they closed the request as completed. I had to call again to reopen the request. When they showed, up they tried to talk me into downgrading my filter. It was too late when I realized that the real issue was a dirty coil and/or duckt work not the furnace. Lastly, they sneakily updated the request to have a non covered item ($200 to change the air filter) this way,"

Emad H on May 2025

"First of all I wanna mention that my experience is similar to many people who have been serviced by j&s as it appears in their Yelp reviews. I had a working furnace that was tripping because of limited airflow, they practically forced me to change the furnace. Which, cost me $4000 and took over 2 weeks. Then the new one had a defective gas valve. Then the furnace kept tripping and stopped working even after changing the valve. I had to reopen the work order for the 3rd time. When they came they found out about the limited airflow from the dirty coil. They said they'll talk with AHS and get back to me, but what they did is they closed the request as completed. I had to call again to reopen the request. When they showed, up they tried to talk me into downgrading my filter. It was too late when I realized that the real issue was a dirty coil and/or duckt work not the furnace. Lastly, they sneakily updated the request to have a non covered item ($200 to change the air filter) this way,"

Emad H on May 2025

CarbonicHeat NE

4.94(

CarbonicHeat NE

4.94(

Customers say: Quality work

Recommended by 100% of Angi customers

17 years of experience

Carbonic Heat is a specialist in Electric Radiant Floor Heating Systems. We have successfully installed over 300 systems in the northeast. We provide radiant heating solutions under tile, stone, engineered wood, luxury vinyl, laminate, and bamboo floors. We also install heat safely under nail-down hardwood floors. Carbonic Heat is economical, both in cost of installation and operation.

"We are happy with the installation."

Kris M on January 2023

"We are happy with the installation."

Kris M on January 2023

ABCastello's Heating and Cooling

ABCastello's Heating and Cooling