Mann-In
Chantilly, VA 20151 703-263-1200
| Checkbook's Top Rating | |
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| Quality |
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| Price |
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- 378 ratings
- 96% gave a "superior" overall rating
- - Prices 23% lower than average
- Compare 182 nearby air-conditioning & heating contractors
- "Glad to have found Mann-In on Consumer's Checkbook. Worked with sales rep to define the right replacement..."
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Prices for Mann-In
Consumer Ratings for Mann-In — 378 Ratings
Complaints for Mann-In
Areas Served by Mann-In:
- Arlington Co.
- Fairfax Co.
- Loudoun Co.
- Prince William Co.
Equipment company services/installs:
- Humidifiers
- Ductless mini-split systems
- Air ducts (sheet metal work)
- Central air conditioners
- Electric furnaces
- Gas furnaces
- Electronic air cleaners
- Heat pumps
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Air-Conditioning & Heating Contractors Articles
Where to Find Good HVAC Help
To make sure your heating and air-conditioning systems work when needed, they must be properly installed and maintained. We’ve rated area heating and air-conditioning services for quality and price.
What to Do If You Need HVAC Repairs
If you need repairs to heating or air-conditioning equipment, our ratings of local businesses will help you find a good company to perform them.
Choosing New HVAC Equipment and Getting It Installed Properly
How well a new HVAC system performs, and how much it costs, depends heavily on its design and the quality of installation. It’s important to make the right decisions—and there are many to make. You also must make sure to get a fair contract.
HVAC Equipment Features to Consider
If you are installing new equipment, in addition to making choices about energy efficiency, you will need to decide whether to pay extra for various features. Here is a summary of the types of add-ons.
Maintaining Your HVAC Equipment
The most important maintenance task for HVAC systems is something you can do yourself—replacing the air filter. Check your filter monthly. When a filter has a matting of dirt—i.e., it’s difficult to see through when you hold it up to a light—it’s time to replace it.
HVAC Maintenance Contracts Are Usually Bad Buys
Rather than paying for individual maintenance visits and repair jobs, you might consider getting a service contract for air-conditioning and/or heating equipment. Many companies try to persuade customers to enter into such contracts.
More Articles »
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Consumer Comments for Mann-In
Jul 13, 2026
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May 25, 2026
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