Get matched with top heating and air conditioning pros in Williston, VT
There are 3 highly-rated local heating and air conditioning pros.
TRUSTED BY WILLISTON, VT HOMEOWNERS
4.4 
134 Verified Reviews for Heating And Air Conditioning Service pros in Williston, VT
*The Angi rating for Heating And Air Conditioning Service companies in Williston, VT 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 Williston, VT 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 July 23, 2025
Heating and air conditioning pros in Williston
We pride ourselves on the quality work we provide, while delivering great customer service. Check out our services offered and call or click to schedule an estimate today!
"Completed the job ahead of schedule, under budget and did quality work. 100% would recommend"
Mike J on February 2025
We pride ourselves on the quality work we provide, while delivering great customer service. Check out our services offered and call or click to schedule an estimate today!
"Completed the job ahead of schedule, under budget and did quality work. 100% would recommend"
Mike J on February 2025
Welcome to Green State Plumbing & Heating LLC! We take pride in the quality of work and customer satisfaction that we give each and every customer! We are known to pay exquisite attention to detail while making customer satisfaction our top priority. Call us today to learn more about how we can help you!
Welcome to Green State Plumbing & Heating LLC! We take pride in the quality of work and customer satisfaction that we give each and every customer! We are known to pay exquisite attention to detail while making customer satisfaction our top priority. Call us today to learn more about how we can help you!
Welcome to JCS Mechanical! We are a family owned and operated business with over 33 years of experience! We specialize in all handyman projects, plumbing, hvac, full service split system heat pump cleaning and emergency services! One call will cover it all - electric to radiant! Please request a quote from us. Call for availability. We look forward to working with you!
Welcome to JCS Mechanical! We are a family owned and operated business with over 33 years of experience! We specialize in all handyman projects, plumbing, hvac, full service split system heat pump cleaning and emergency services! One call will cover it all - electric to radiant! Please request a quote from us. Call for availability. We look forward to working with you!
Here at Call The Whale, we pride our company on reliability, great communication, integrity, and quality work. We strongly believe in giving our absolute best in all of our projects no matter how big or small. We are experts in our trade and will always keep you educated on your particular task or project. We look forward to earning your business!
"During the heat dome days we found out our air conditioning needed recharging. They insisted on up front payment (first red flag) then quoted over $800 to refill the units (2). They did not look for nor try to fix the leak but instead gave me a proposal over $3,000 to come back and fix the unit(1). I used them because they were the ones who could come the quickest. Never again."
Jim T on July 2025
Here at Call The Whale, we pride our company on reliability, great communication, integrity, and quality work. We strongly believe in giving our absolute best in all of our projects no matter how big or small. We are experts in our trade and will always keep you educated on your particular task or project. We look forward to earning your business!
"During the heat dome days we found out our air conditioning needed recharging. They insisted on up front payment (first red flag) then quoted over $800 to refill the units (2). They did not look for nor try to fix the leak but instead gave me a proposal over $3,000 to come back and fix the unit(1). I used them because they were the ones who could come the quickest. Never again."
Jim T on July 2025
Here at Call The Whale, we pride our company on reliability, great communication, integrity, and quality work. We strongly believe in giving our absolute best in all of our projects no matter how big or small. We are experts in our trade and will always keep you educated on your particular task or project. We look forward to earning your business!
"Overcharged by WAY too much. The hydrostat charge was $862.90, and they installed a different brand than was on the invoice. The cost on Amazon for that unit is $188. Taco Zone Valve charged $745.56: valve on Amazon: $134.00 Same with other charges $3609.80 total. Less than 3 hours labor x 2 guys... who showed up late in the day when they scheduled for the morning."
Rick H on November 2022
Here at Call The Whale, we pride our company on reliability, great communication, integrity, and quality work. We strongly believe in giving our absolute best in all of our projects no matter how big or small. We are experts in our trade and will always keep you educated on your particular task or project. We look forward to earning your business!
"Overcharged by WAY too much. The hydrostat charge was $862.90, and they installed a different brand than was on the invoice. The cost on Amazon for that unit is $188. Taco Zone Valve charged $745.56: valve on Amazon: $134.00 Same with other charges $3609.80 total. Less than 3 hours labor x 2 guys... who showed up late in the day when they scheduled for the morning."
Rick H on November 2022
We take great pride in our experience, expertise, quality and customer service, that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship, and complete customer satisfaction, from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate, with every customer in a professional manner. Our reputation is based on service, safety and quality, regardless of how large, or small the job. Call us today!
We take great pride in our experience, expertise, quality and customer service, that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship, and complete customer satisfaction, from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate, with every customer in a professional manner. Our reputation is based on service, safety and quality, regardless of how large, or small the job. Call us today!
Current Electric Inc is committed to excellence in 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.
"Current electric replaced and installed a new bathroom exhaust fan. Excellent work, our current fan looked like a disaster and the new install looks absolutely amazing! I would definitely recommend and hire current electric again. If I need other electrical work I will be reaching out to current electric."
Nihad T on March 2025
Current Electric Inc is committed to excellence in 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.
"Current electric replaced and installed a new bathroom exhaust fan. Excellent work, our current fan looked like a disaster and the new install looks absolutely amazing! I would definitely recommend and hire current electric again. If I need other electrical work I will be reaching out to current electric."
Nihad T on March 2025
Lone Wolf Energy, LLC brings an unmatched commitment to excellence to your HVAC projects. We have over 6 years experience delivering unsurpassed professionalism, expertise, and value. We take pride in providing our customers with personalized customer service, the highest industry standards, and top quality workmanship. References available upon request. Give me a call today!
"Great experience"
Adam S on October 2024
Lone Wolf Energy, LLC brings an unmatched commitment to excellence to your HVAC projects. We have over 6 years experience delivering unsurpassed professionalism, expertise, and value. We take pride in providing our customers with personalized customer service, the highest industry standards, and top quality workmanship. References available upon request. Give me a call today!
"Great experience"
Adam S on October 2024
Home heating and air conditioning as well as light plumbing. Fully licensed and insured and specializing in all home HVAC services.
Home heating and air conditioning as well as light plumbing. Fully licensed and insured and specializing in all home HVAC services.
FAQs for heating and air conditioning service projects in Williston, VT
Knowing how long your existing HVAC units can last is essential to determine if you need a repair or replacement. Typically, most modern air conditioning units can last between 15 to 20 years, and most furnaces can work properly for 15 to 30 years. If your HVAC system is on the older side and you decide to replace one unit, it might make sense to replace both simultaneously to save on costs and future hassle.
While different HVAC contractors might offer higher or lower prices than competitors, the best time to replace your HVAC system is when customer demand is low. The beginning of summer and the beginning of winter bring the most demand for HVAC systems, so if you can, consider replacing your HVAC units in the early spring or fall. Many HVAC companies offer special off-season coupons that help lower the overall cost.
The average cost to hire an HVAC contractor is between $50 and $150 per hour if charging hourly. However, some HVAC contractors will charge a flat fee by the type of service they are performing—for example, an inspection can cost between $150 to $500. Keep in mind that emergency repairs—which are made after business hours or around major holidays—generally cost more than scheduled repairs.
Yes, most states require HVAC technicians to be certified, and for good reason. Hiring an unlicensed HVAC technician could lead to poor quality work, costly future expenses, and potential code violations.
As you browse our pro listings, take note of the “Angi Approved” badge. Angi Approved businesses meet our standards for certification which include:
The owner, principal, or relevant manager passed a criminal background check
Required to have applicable state and local licenses
Maintain an average star rating of 3.0 or better on our network, if they have at least one review
Paying to advertise their services
Meeting any other eligibility criteria required by Angi
Keep in mind licensing is different from certifications. A license is a legal requirement to operate a business, while certifications are voluntary.
The average cost of HVAC repairs is around $350. However, that price can be as low as $100 or as high as $2,000 or more, depending on the repair. For example, replacing a capacitor is a relatively inexpensive repair, ranging from $100 to $500. However, a compressor repair is a more expensive repair, ranging from $750 to $2,000.
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