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Letter from the President

Most of have heard the term “SEER” relating to our air conditioning and heating system or a perspective HVAC system. Fewer know what that represents. SEER is an acronym for Seasonal Energy Efficiency Ratio. This is a ratio of the cooling capacity in BTU’s per hour to power consumption in watts. The higher the SEER […]

Get Your Home in Shape with a Semi-Annual Maintenance Plan

Regular HVAC maintenance is important for maintaining comfortable temperatures in the home year round. It is common for HVAC maintenance to occur in summer to make sure the AC system is ready to handle the heat. It should be noted that it is also a good idea for maintenance to be scheduled in the winter […]

Pros and Cons of a Home Warranty

When you purchase a new home, you may be offered a home warranty from the sellers or you may choose to purchase one yourself. If you’re in the process of buying a home or researching warranty companies, we want to shed some light on the topic for you. As a residential & commercial HVAC company, […]

How Humidity Affects Your Air Quality

If you want to maintain a cool and perfect temperature inside your home, then you will also want to take humidity into account. Humidity inside the home can affect not only your temperature and comfort, but also the indoor air quality and your health. The balance between too much or too little humidity is a […]

E Dennis Is Now Hiring!

Is HVAC the Right Career For You? HVAC technicians are some of the unsung heroes of our day-to-day lives. They keep our daily necessities running smoothly so we can enjoy the comforts of our homes and offices. HVAC technicians are highly skilled with a vast knowledge of high efficiency air conditioning & heating systems, energy […]

Gas Furnace Maintenance Tips

Gas Furnace Maintenance Tips While many problems with a gas furnace need an HVAC expert, there is some general maintenance you can do without professional support. In fact, there are some routine things you should be doing to make sure that your gas furnace continues to work well. These can also help you to identify […]

It’s Time To Reschedule Your Heating Maintenance

Here Are 5 Reasons Why With fall in full swing and winter heading our way, it’s time to make sure your HVAC is all set to keep you warm and safe when the temperatures drop. A well-maintained heating and air conditioning system is far more efficient than one in need of repairs. Here are five […]

Top 5 Reasons to Get an HVAC Semi-Annual Maintenance Plan

As the seasons begin to change, you likely have a list of tasks that need to be taken care of the protect your home from the cold weather. While it can be draining as a homeowner to keep up with all these items, it’s also important to take proactive steps now that prevent more damage […]

Can HVAC Systems Spread COVID-19?

As we continue to learn about the COVID-19 virus, there have been many questions as to how it spreads and if HVAC systems are a risk factor, especially as we head into summer when air conditioning can be a necessity. While there are no definitive answers yet, there is a risk of spreading the virus […]

Are You Ready For Summer?

Get Ready for Summer! It’s Time for Your Spring Annual Maintenance As the daily temperatures begin to rise and warmer days are upon us, many people turn their attention to spring cleaning, summer plans, and being outdoors more and more. While you may currently be enjoying having your air conditioning turned off for the time […]

Americans with Disabilities Act (ADA) Notice

At E Dennis, we are committed to ensuring that individuals with disabilities enjoy full access to our websites. In recognition of this commitment, we are in the process of making modifications to increase the accessibility and usability of this website, using the relevant portions of the Web Content Accessibility Guidelines 2.0 (WCAG 2.0) as our standard. Please be aware that our efforts are ongoing. If at any time you have difficulty using this website or with a particular web page or function on this site, please contact us by phone at (770) 758-0501; or email us at and place “Web Content Accessibility (ADA)” in the subject heading and we will make all reasonable efforts to assist you.