Skip to main content

General Advice

Office HVAC Zone Strategy in Nashville: A Property Manager’s Guide

Managing a comfortable, energy-efficient office building in Nashville’s variable climate requires more than just a powerful HVAC system, it demands a smart zoning strategy. As a property or facility manager, understanding how to properly zon…

Smart HVAC Technology for Nashville Commercial Buildings: Automation Guide for Facility Managers

For property and facility managers in Nashville, keeping commercial buildings comfortable while managing operating costs can feel like walking a tightrope. The good news? Smart technology is transforming how commercial HVAC systems operate, giving…

Is It Helpful To Close Vents in Unoccupied Rooms?

As a business owner or facility manager, cutting costs while maintaining comfort is a constant priority. You may have heard the idea to close vents in unused rooms in order to reduce energy bills… but does this method really work in commercial bui…

The Role of HVAC in Indoor Air Quality Management

Have you noticed an increase in your employees’ allergies or sick days? If so, you’ll benefit from understanding how to improve air quality in commercial buildings. At Interstate AC, we’ve served the community for over 20 years and can efficiently…

How To Maximize Energy Efficiency in Your Commercial HVAC System

Forward-thinking business owners see how valuable it is to improve energy efficiency in building infrastructure, but where do they start when assessing their organization’s energy usage? Saving energy can be a monumental task, but think of it as b…

How To Choose the Right HVAC System for a Large Space

Maintaining a commercial building is complex, and business owners often need professional advice on how to choose the right HVAC systems for a large space. Although every project is different, maximizing comfort, energy efficiency, and reliability…

Is Your Thermostat the Cause of Your Heating Problem?

It’s cold and your heat doesn’t seem to be working!  Did you know your thermostat could be the cause?  Here are some troubleshooting tips and fixes you may be able to do yourself, to save time and money. Power:  Is the display on your thermostat b…

Single vs Variable-Speed Blowers: Does it Matter?

Single-Speed Blowers If your furnace or heat pump is more than 10 years old, it likely has a single-speed air handler (blower).  Single-speed blowers work like a light switch: they’re either on (blowing at maximum speed) or off (not blowing).  Sin…

Which HVAC Brand is Best?

We’ve been in the business almost 20 years now and have installed and serviced a variety of HVAC units. We are not paid by manufacturers to promote their brand(s); instead, we recommend brands based on our vast experience and our customer’s indivi…

Be Pro-Active With an Off-Season Replacement

It’s no surprise that the demand for air-conditioners is highest in the summer, and the demand for furnaces is highest in the winter.  If you have an old or failing HVAC system, it will likely go out when it is stressed the most – on the col…

HVAC Iced Up?

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? Things to Eliminate Here are some circums…

HELP! My Heat is Blowing Cold Air!

We’ll frequently encounter a caller complaining about their heating system blowing cold air.  We may ask a few other questions but it comes down to this: what temperature is the thermostat set to and what temperature is it reading in the house?  T…

5 of the Best HVAC Investments You Can Make

With heating and cooling accounting for roughly 50% of your home’s energy consumption, things that decrease your monthly energy costs or help your HVAC to be more efficient are the best investments you can make.  Here are the 5 best ways to optimi…

3 Tips to Make Your HVAC More Energy Efficient In the Winter Months

The cold months of winter arrive this week. After the deep freeze we experienced last week, it looks like Middle Tennessee may be in for a challenging winter in 2017. During these long, cold winter months your furnace will work much harder and wil…

Can You Save Energy with a Tankless Water Heater?

Here at Interstate AC Service, we have a passion for green products and saving energy and thought you too would enjoy keeping abreast of the latest “green” gadgets. Water heaters account for 17% of your home’s energy use, which i…

Are HVAC Service Contracts Worth the Money?

Well, the short answer is, “it depends.”  Ask yourself these questions: What is included? If the contract is very cheap, it may be just a ploy to get a technician into your house and try to sell you something you don’t need.  How…

LED Lighting Lowers HVAC Costs

As we enter the summer months, high air-conditioning bills seem just as inevitable as death and taxes.  Something most people don’t think about is that incandescent and halogen bulbs act as miniature space heaters, dumping over 90% of the en…

No Heat? What Should You Do?

Something is not working quite right.  All you know is that it’s cold and your heat does not seem to be working as it should.    Listed below are some common issues, their common causes, and tips on how you may be able to fix the problem you…

Case Study: Ductless HVAC at Brentwood Middle School

Jeff Owens, Project Manager, describes the major project at Brentwood Middle School that installed a green, ductless, HVAC system expected to save 25%-30% of the energy previously required to heat and cool a large school building. Objectives Brent…