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A pressure below atmospheric pressure. A perfect vacuum is 30 inches of mercury (periodic symbol “Hg”)

Reviews

Frank M.

I called Accurately Controlled Environment for a quote on a mini-split system. Not only were they reasonably priced, but they were also very nice and explained everything ...

Joann S.

I have dealt with “ACE” for approximately 4 years. They provide exceptional service, are very professional. Their office staff are very informative, ALWAYS extremely helpful and all ...

Jason P.

Eric came out to provide an estimate for a new heating and AC system that we wanted to replace proactively due to age and AC issues. The ...

William R.

ACE was recommended to me by a friend when I was looking to have my system replaced. Everyone that I dealt with, from Karl in the office ...

Kevin D.

Best contractor I’ve ever used for any project. Unbelievably responsive to emails. Clean and organized and efficient. I would recommend them to anyone.

Maureen K.

We’ve been customers of ACCURATELY CONTROLLED ENVIRONMENTS for nearly 25 years. That in itself, should tell you how much we cherish doing business with them. We have ...

Robert B.

Our building contractor put us in touch with Accurately Controlled Environments when he was adding another room to our house back in 2001 and we’ve been using ...

Tm S.

I have been a customer for years and have recommended Accurately Controlled Environments to family and friends as the best. They are prompt, knowledgeable, friendly, and professional. ...

Sal F.

This is the year. One, excellent, we had a heating problem, & You came in the evening to repair it. You also came with a recommendation to ...

Monica P.

I don’t know how long we have used ACE – maybe 30+ years. As someone else said, that is a testament in itself. They are completely trustworthy, ...

John W.

My church/company and I have personally used ACE and they have been very professional, neat, and affordable. Recommend them highly.

Michele E.

Best customer service ever! Always polite, always prompt, and great products! I love that they do what they say…very reliable!

Martin F.

I have used Accurately Controlled for all my heating and Air conditioning needs for the past 30+ years. They do a great job with any project I ...

Linda R.

Residential Heating and Air Conditioning installed a new Carrier Infinity furnace and air conditioning system in my home without a hitch. The electrician who made the power ...

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