4.3 
132 *The Angi rating for Heating And Air Conditioning Service companies in New Castle, NH is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating And Air Conditioning Service needs.
*The HomeAdvisor rating for Heating And Air Conditioning Service companies in New Castle, NH is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating And Air Conditioning Service needs.
Last update on November 07, 2025
Looking for top-notch service? Look no further than New England Oil, LLC. Contact us today for all your heating oil needs!
Looking for top-notch service? Look no further than New England Oil, LLC. Contact us today for all your heating oil needs!
With over 9 years experience in the HVAC industry, Next Level Heating and Cooling LLC is your industry expert in the Dover, NH area. We pride ourselves on our extreme professionalism and attention to detail. Our customer satisfaction guarantee will assure you we will leave your property until you are completely satisfied with our work. As a family owned and operated business you can trust that we will treat your home as we would treat our own. We have so many options to fit any budget. Give us a call today and we look forward to working with you!
"Very good service, communication and pricing. Definitely I would recommend and hire again."
Janet C on June 2022
With over 9 years experience in the HVAC industry, Next Level Heating and Cooling LLC is your industry expert in the Dover, NH area. We pride ourselves on our extreme professionalism and attention to detail. Our customer satisfaction guarantee will assure you we will leave your property until you are completely satisfied with our work. As a family owned and operated business you can trust that we will treat your home as we would treat our own. We have so many options to fit any budget. Give us a call today and we look forward to working with you!
"Very good service, communication and pricing. Definitely I would recommend and hire again."
Janet C on June 2022
Welcome to Derek Brown - Licensed Plumber! If you can imagine it we can do it! Derek is focused on providing high-quality services and customer satisfaction to each and every customer. We will do everything we can to meet your expectations and we are sure you will be happy to work with us. As an expert in the field, Derek has over 30 years of experience under his belt and is known to pay exquisite attention to detail while making customer satisfaction his top priority. Call us today to learn more about how we can help you!
"Used the cheapest supply?s he could come across on Amazon I could have done the job my self that way. "
Zach S on April 2025
Welcome to Derek Brown - Licensed Plumber! If you can imagine it we can do it! Derek is focused on providing high-quality services and customer satisfaction to each and every customer. We will do everything we can to meet your expectations and we are sure you will be happy to work with us. As an expert in the field, Derek has over 30 years of experience under his belt and is known to pay exquisite attention to detail while making customer satisfaction his top priority. Call us today to learn more about how we can help you!
"Used the cheapest supply?s he could come across on Amazon I could have done the job my self that way. "
Zach S on April 2025
LaPlante Electric, Inc., Please check out all the Wonderful Reviews written by our Wonderful Clients!!! Love our Clients!!! LaPlante Electric is proud to be a locally owned and family operated business that serves the Maine/New Hampshire communities. Since 1991 we have provided our customers with the highest quality products and expertise at a fair price. Since opening our doors we have built our business on being timely, tidy and making sure that every customer is 100% satisfied when the job is done. We provide our customers with on site assessments and quotes, provide financing and payment options and offer flexible installation scheduling. Our customers know that they can call 24/7 and the phone will be answered by a live person, that they will get a firm price, not an estimate and that we will show up on time when scheduled. Let us show you why our customers become customers for life, get in touch today!
"Very good They were quick efficient and kept me updated"
Janice C on November 2023
LaPlante Electric, Inc., Please check out all the Wonderful Reviews written by our Wonderful Clients!!! Love our Clients!!! LaPlante Electric is proud to be a locally owned and family operated business that serves the Maine/New Hampshire communities. Since 1991 we have provided our customers with the highest quality products and expertise at a fair price. Since opening our doors we have built our business on being timely, tidy and making sure that every customer is 100% satisfied when the job is done. We provide our customers with on site assessments and quotes, provide financing and payment options and offer flexible installation scheduling. Our customers know that they can call 24/7 and the phone will be answered by a live person, that they will get a firm price, not an estimate and that we will show up on time when scheduled. Let us show you why our customers become customers for life, get in touch today!
"Very good They were quick efficient and kept me updated"
Janice C on November 2023
Pure Temp Heating and Cooling is Veteran Owned company dedicated to providing our customers with the best quality and craftsmanship. With over 12 years of experience in the industry ranging from residential, to commercial and light industrial, we are here to build relationships with our customers and communities and to provide our employees with a great place to work. Our pledge is to create successful relationships with our customers, employees and community by building trust, treating every project with the utmost integrity and exceeding expectations.
"This project is fhw not fha"
Michael J on August 2025
Pure Temp Heating and Cooling is Veteran Owned company dedicated to providing our customers with the best quality and craftsmanship. With over 12 years of experience in the industry ranging from residential, to commercial and light industrial, we are here to build relationships with our customers and communities and to provide our employees with a great place to work. Our pledge is to create successful relationships with our customers, employees and community by building trust, treating every project with the utmost integrity and exceeding expectations.
"This project is fhw not fha"
Michael J on August 2025
With more than 15 yrs of experience, 603 Refrigeration LLC is dedicated to providing our customers with the best quality at a great price. We are here to build relationships with our customers and communities and to provide our employees with a great place to work. We look forward to working with you!
"The gentlemaen that have come to my house from this company have been spectacular. They came on time they’re efficient. There’s no nonsense. They found a problem replaced it and said please call back if there’s a problem and they couldn’t have been nicer. I would highly highly recommend them to anyone "
James S on August 2025
With more than 15 yrs of experience, 603 Refrigeration LLC is dedicated to providing our customers with the best quality at a great price. We are here to build relationships with our customers and communities and to provide our employees with a great place to work. We look forward to working with you!
"The gentlemaen that have come to my house from this company have been spectacular. They came on time they’re efficient. There’s no nonsense. They found a problem replaced it and said please call back if there’s a problem and they couldn’t have been nicer. I would highly highly recommend them to anyone "
James S on August 2025
Heritage Home Service is a premier home service provider operating in New Hampshire, Massachusetts and Maine – bringing all the perks that come with having a large team while maintaining a strong focus on family-oriented service.
"Bob and Matt replaced our Rianni tankless water heater. They were prompt, professional, friendly and informative. They did a great job and I would recommend them to anyone."
Linda B on July 2025
Heritage Home Service is a premier home service provider operating in New Hampshire, Massachusetts and Maine – bringing all the perks that come with having a large team while maintaining a strong focus on family-oriented service.
"Bob and Matt replaced our Rianni tankless water heater. They were prompt, professional, friendly and informative. They did a great job and I would recommend them to anyone."
Linda B on July 2025
At Control Temp, LLC, we are your premier choice for heating and cooling. We have provided high quality work and friendly customer service for years. Call today!
"The customer rep. was very personable, helpful, and upfront about costs."
Jarice H on March 2007
At Control Temp, LLC, we are your premier choice for heating and cooling. We have provided high quality work and friendly customer service for years. Call today!
"The customer rep. was very personable, helpful, and upfront about costs."
Jarice H on March 2007
Family-owned and operated propane and fuel oil delivery and service company with a 90-year history serving New Hampshire, Northern MA and Southern ME. Our friendly, simple and safe fuel delivery and service programs keep our customers warm in the winter and cool in the summer. Automatic delivery, easy billing, and maintenance plans make it easy to keep your tank full and your equipment in tip-top shape. A one-stop shop, in addition to fuel we also offer equipment sales and service, installation, and electrician services. Best of all, we show up to work every day with a SMILE on our face! Giving to the community is also very important to us. We support local Fire and Police Departments, libraries, youth leagues and fraternal organizations from various towns. We are continually working to be a “cut above the rest.” We hope this makes a difference to you and your community.
"Switched services from Amerigas to PalmerGas. Rick and Nate completed the service transfer and made the process seamless. They were very pleasant to engage with and were very knowledgeable in their field of work. They also took extra care to make sure all my appliances were safe after the hookup and that I knew how to confidently recognize and address any potential problems that could arise with having propane as a fuel source. Very satisfied"
Don W on June 2025
Family-owned and operated propane and fuel oil delivery and service company with a 90-year history serving New Hampshire, Northern MA and Southern ME. Our friendly, simple and safe fuel delivery and service programs keep our customers warm in the winter and cool in the summer. Automatic delivery, easy billing, and maintenance plans make it easy to keep your tank full and your equipment in tip-top shape. A one-stop shop, in addition to fuel we also offer equipment sales and service, installation, and electrician services. Best of all, we show up to work every day with a SMILE on our face! Giving to the community is also very important to us. We support local Fire and Police Departments, libraries, youth leagues and fraternal organizations from various towns. We are continually working to be a “cut above the rest.” We hope this makes a difference to you and your community.
"Switched services from Amerigas to PalmerGas. Rick and Nate completed the service transfer and made the process seamless. They were very pleasant to engage with and were very knowledgeable in their field of work. They also took extra care to make sure all my appliances were safe after the hookup and that I knew how to confidently recognize and address any potential problems that could arise with having propane as a fuel source. Very satisfied"
Don W on June 2025
We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We offer a variety of HVAC services that are customizable to each individual project. You will find us to be competitively priced, paying close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships and guarantee your satisfaction!
"New humidifier, Aprilaire 800. Very professional installation. Price was reasonable. Would recommend."
Richard R on February 2025
We are a locally owned and operated company that values honesty and integrity and treats your home as if it were our own. We offer a variety of HVAC services that are customizable to each individual project. You will find us to be competitively priced, paying close attention to the details of each and every project that we are involved with. We look forward to building lasting relationships and guarantee your satisfaction!
"New humidifier, Aprilaire 800. Very professional installation. Price was reasonable. Would recommend."
Richard R on February 2025
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