It may surprise you to learn that indoor air pollution is among the top five environmental health risks. That’s why we’ve been devoting a series of posts on air filtration.  If you’ve been watching and listening to our posts, you’ve heard us talk about the MERV ratings of air filters, and how to select the best air filter for your needs. As a general rule, prices are higher for filters with higher MERV ratings. But here is one instance when the buying the best, most expensive filters – those with MERV ratings greater than 16 – may do more harm than good.

Filtering Indoor Air Polution

Air Conditioning & Heating Advice from Nashville’s Interstate AC Service, LLC.  HVAC service, repair and installation for residential and commercial customers in Nashville, Tennessee and the surrounding area. Give us a call at 615-832-8500.

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We’ve been in the business almost 20 years now and have installed and serviced a variety of HVAC units. We do not promote brands but rather recommend brands we have experience with and best fit the client’s need. In the event the client has a preference for a certain brand we will do our best to provide it.  Here are the facts with regard to the different HVAC (central air-conditioner, heat-pump, or furnace) brands.  

Best HVAC Brands

One of the common problems we encounter is a heat pump that has iced up.  A heat pump in good condition should be able to operate in below freezing temperatures without icing over, so why does this happen?

Iced Up Heat Pump!

You’ve probably heard us talk about the benefits of using a programmable thermostat, or have read our  head to head comparisons of the Nest and Honeywell smart thermostats. We’ve touted that swapping out your thermostat can be a do-it-yourself project, but, any time you replace a thermostat, you’re left with what to do with the old one. 

Recycle Your Old Thermosat

It always seems your heat will go out on the coldest day of the year!  Why spend money when you may be able to fix it yourself? This post describes some trouble-shooting and fixes you may be able to do before calling a technician.

Fix Your Heat Problems

The efficiency of your furnace can make a big difference in your energy bills. A new furnace will save money on your heating bills, be safer, and greener (better for the environment).  Our best advice is to plan ahead!  Do not wait until the dead of winter and your heat has gone out to start thinking about replacements. In fact, you’re likely to get the best pricing on a furnace in the spring or fall.

Filtering Indoor Air Polution

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