Carroll Mechanical Services
Carroll Mechanical Services Now Offers Plumbing and Electrical
Carroll Mechanical Services has Partnered with Welzig Heating, Air, Plumbing & Electric
Proudly Partnered with Carrier
At Carroll Mechanical Services, we are dedicated to providing top-notch residential and commercial HVAC services at reasonable prices. With more than 25 years of experience in heating and cooling solutions, our team of HVAC experts ensures customer satisfaction with every installation and repair. We proudly install Carrier brand HVAC systems and service all other brands, focusing on your comfort and peace of mind.
Our HVAC Services
We offer a comprehensive range of HVAC services tailored to meet your needs, including:
Air Conditioners
Installation and repair of efficient air conditioning systems to keep your space cool during hot months.
Boilers
Reliable boiler installation and maintenance for effective heating solutions, ensuring warmth during winter.
Ductless Mini Splits
Flexible heating and cooling options for homes without ductwork, providing zoned comfort.
Furnace and Heating
Expert installation and repair services for furnaces to create ensure comfort.
Heat Pumps
Energy-efficient heat pumps for both heating and cooling, reducing energy costs and environmental impact.
Humidifiers
Improve indoor air quality with installed humidifiers, enhancing comfort during dry seasons.
Water Heaters
Installation and servicing of water heaters for reliable hot water access at all times.
Other Services
Comprehensive services including gas piping, gas leak detection, thermostat installation, inspections, and more.
About Our HVAC Company
Founded with a commitment to quality, Carroll Mechanical Services has built a reputation as the best HVAC company in Longmont, CO. Our professionally trained and licensed technicians emphasize reliability, courtesy, and thorough communication to answer all your questions. We pride ourselves on our extensive knowledge and dedication to customer service.
Why Partner With Us for Your HVAC Needs?
Choosing Carroll Mechanical Services means you're choosing a team of HVAC experts who prioritize your comfort and satisfaction. Our competitive pricing, expert advice, and comprehensive services make us the ideal partner for your HVAC needs. Don’t just take our word for it – let our satisfied customers share their experiences!
What our customers are saying
Solid, Skilled, Courteous, and Dependable
"These guys are great! Solid, skilled, courteous, and dependable. I'm so grateful for the customer service the provide. They stand by their work and go above and beyond. Lawrence, the tech, is amazing! He really knows his stuff and leaves no stone unturned. Brien Carroll is a trustworthy and reliable owner. Nicki and Janis in the office are also on top things, friendly, and helpful. Love this local company!"
- Caitlin H.
Highly Recommend
"I highly recommend this family-owned HVAC business in Longmont! Brien and his crew just replaced our 27-yo gas furnace with a Carrier 95%-efficiency furnace, and we couldn't be happier with their prompt, efficient, and highly-skilled performance. Everybody we dealt with was very personable, and dedicated to doing the very best work for us. Thanks to Lawrence and Zach for doing a great job in a tight crawl-space! A+ business!"
- Tim H.
Could Have Taken Advantage, But Didn't
"This week, our 19-year-old AC stopped working. We assumed it was done and would need to be replaced. The tech came out and checked it out. He could have easily told us we needed to buy a new unit, but instead, he fixed the small issue for much less. I very much appreciate that he could have taken advantage of us and didn’t. When this old system does need to be replaced, we will definitely have Carroll replace it. Thanks again!"
- Laura W.
Recent Posts
Colorado's dry Front Range climate often leads to uncomfortable low indoor humidity, impacting your health and home with issues like dry skin and static. A whole home humidifier seamlessly integrates with your existing HVAC system to maintain optimal indoor humidity levels, offering year-round comfort and preserving your home's structure. Investing in a whole home humidifier for your Front Range residence is a smart upgrade for improved health, comfort, and protection.
Weld County homeowners can prevent costly pipe bursts and extensive water damage this winter by taking proactive steps against freezing temperatures. Safeguard your plumbing with essential measures like insulating pipes in unheated areas, sealing air leaks, and maintaining a consistent indoor temperature. For expert guidance and reliable services to protect your home's systems, Carroll Mechanical Services is your trusted local partner.
As Boulder County homeowners prepare for winter, essential fall HVAC maintenance ensures your heating system is ready, preventing costly breakdowns and guaranteeing comfort. From DIY tasks to a professional HVAC tune-up, proactive care makes your home energy-efficient and warm all season long. Schedule your fall HVAC maintenance with Carroll Mechanical Services to secure your comfort before the cold arrives.
Prioritizing electrical safety in your Longmont home is crucial for preventing hazards like appliance malfunctions and fire risks, often caused by outdated wiring or overloaded circuits. While homeowners can perform basic checks, professional assessments are vital for complex issues such as frequently tripping breakers or buzzing electrical panels. Carroll Mechanical Services, your trusted HVAC company Longmont CO, offers expert guidance to ensure all your home's essential electrical systems operate safely and efficiently.
Choosing the best water heater for your Colorado home impacts daily comfort and energy bills, offering options from efficient tankless to traditional models. Professional installation and proper sizing are vital for maximizing savings and reliability, especially with upcoming 2026 Colorado HVAC rebates. For expert guidance on your home's hot water system, consult an experienced HVAC company in Longmont CO.
Considering a heat pump for energy-efficient home comfort? Ensuring your home's electrical panel has sufficient capacity is crucial for safe operation, preventing tripped breakers, and maximizing your heat pump's efficiency. Homeowners should always consult a qualified professional to assess their current electrical system before installation, guaranteeing reliable performance and long-term savings.
A failing boiler expansion tank can lead to common issues such as fluctuating boiler pressure, frequent cycling, or a leaking pressure relief valve, compromising your home's heating system and requiring boiler repair. Recognizing these crucial warning signs early helps prevent more significant problems and costly repairs, ensuring your home comfort system operates efficiently. If you suspect a problem, contact a qualified HVAC company in Longmont CO, like Carroll Mechanical Services, for expert assessment and reliable boiler repair services.
For older Longmont homes, deciding between a boiler and a high-efficiency furnace is a critical choice for comfort and energy savings, considering factors like existing ductwork and potential furnace replacement or boiler repair Longmont CO needs. Expert HVAC company Longmont CO services can guide you through tailored heating solutions, including options like ductless mini-split installation. Evaluate your home's unique requirements and current opportunities such as 2026 Colorado HVAC rebates to select the ideal system.
Hard water scale can significantly reduce your boiler's efficiency and lifespan in Boulder Weld County, leading to costly issues for residential homeowners. Regular boiler maintenance and considering a water softener are crucial proactive steps to prevent buildup and maintain a reliable heating system. For expert inspection and to avoid expensive boiler repair in Longmont CO, trust a professional HVAC company like Carroll Mechanical Services to keep your home comfortable.
For homeowners, navigating clean energy incentives for older heat pumps often points towards upgrading to a new, high-efficiency model. These upgrades qualify for various rebates and tax credits, making the transition to more sustainable heating and cooling solutions more accessible and affordable. This not only leads to substantial energy savings but also improves home comfort and reduces your carbon footprint.
Colorado homeowners can unlock significant savings on HVAC upgrades by stacking 2026 state tax credits with XCEL Energy and Efficiency Works rebates. Maximize your investment in energy-efficient furnace replacement, AC repair/replacement, or hydronic heating systems, ensuring comfort and sustainability. Carroll Mechanical Services, your local HVAC company in Longmont, helps you navigate these opportunities, including the upcoming A2L refrigerant transition, for a more efficient home.
The upcoming 2026 A2L refrigerant transition will impact Front Range heat pump costs and installation, making it essential for homeowners to understand these changes for their home comfort. While new A2L-compliant heat pump systems may have a slightly higher initial investment, significant energy savings and available 2026 Colorado HVAC rebates can substantially reduce these expenses. Carroll Mechanical Services, an experienced HVAC company Longmont CO, is here to guide you through this transition for efficient heating and cooling solutions.
Ready to get started?
Carroll Mechanical Services is your trusted partner for all your heating and cooling needs in Longmont, CO. Whether you require installation, repair, or maintenance, we are here to provide reliable solutions tailored to your needs. Contact us today to get started!












