Site Blog
Memorial Day 2015
December 17, 2023
Blue Dot would like to honor those who gave their lives for our freedom. Thank you for your service!
We hope you had a s…
Bring on the heat! Blue Dot is ready for the day after some refreshing shaved ice this morning.
December 17, 2023
Temperatures this week have been in the high 80s and it’s only mid-June! Our technicians have been working tirelessly on…
Air Conditioning & Heating System Check
December 17, 2023
Blue Dot performs yearly preventative maintenance to heat pumps, gas furnaces, and air handlers. Find out what happens d…
2015 Holiday Season in Harford County, MD
December 17, 2023
‘Tis the season for: Giving
During this 2015 holiday season, Blue Dot is giving back to our local community by donating…
How To: Replace An Air Filter In A Gas Furnace or Air Handler
December 17, 2023
- Step 1: Locate your indoor furnace or air handler
- Usually found in the basement or in the attic
- Step 2: Remove dirt…
Types of Air Conditioners
December 17, 2023
Do you know how many types of air conditioners exist for cooling your home? There is quite a variety on the market, but …