Let's Talk HVAC

Tips, guides, and honest insight from the Emerald team.

Interpreting the Sound Ratings of a Unit

SOUND NOISE LEVEL (dBA) EFFECT Jet Engines (Near) 140 Shotgun Firing 130 Jet Takeoff (100-200 Ft.) 130 Rock Concert (Varies) 110-140 Threshold of pain (125 dB) Oxygen Torch 121 Disco/Boom Box 120 Threshold of sensation (120 dB) Thunderclap (Near) 120 Stereo (Over 100 Watts) 110-125 Symphony Orchestra 110 Regular … [Read More]

10 Tips for Hiring a Heating and Cooling Contractor

10 Tips for Hiring an HVAC Contractor 1. Study up Find out about license and insurance requirements for contractors in your state. And before you call a contractor, know the model of your current system and its maintenance history. Also, make note of any uncomfortable rooms. This will help potential contractors better understand your heating … [Read More]

Sizing Heating and Cooling Systems

Incorrect Sizing Methods It is the installer/contractor’s job to perform the correct sizing calculation for the building. However, many installers only check the “nameplate” (the label on the unit that has the Btu per hour output among other things) of the existing system and sell you one just like it, or even worse, one that’s … [Read More]

Replacing Heaters: Limitations You May Face

Switching Electric Resistance or Steam Heating to Hot Water Heating Electric resistance heating, also called electric baseboard heating, is the cheapest to install and the most expensive to operate, as it is the least efficient source of heat. Unfortunately, upgrading to ducted systems, as discussed below, will involve a significant expense for ducting. Another option … [Read More]

Understanding Your AC Unit

A Technical Explanation of How a System Works Air conditioners employ the same operating principles and basic components as your home refrigerator. An air conditioner cools your home with a cold indoor coil called the evaporator. The condenser, a hot outdoor coil, releases the collected heat outside. The evaporator and condenser coils are serpentine tubing … [Read More]

Types of Cooling Systems

TYPES OF CENTRAL AIR CONDITIONERS A central air conditioner is either a split-system unit or a packaged unit. In a split-system central air conditioner, an outdoor metal cabinet contains the condenser and compressor, and an indoor cabinet contains the evaporator. In many split-system air conditioners, this indoor cabinet also contains a furnace or the indoor … [Read More]

<< 1 … 9 10 11 12 >>

4.9 Star Rating | 1,400+ Google Reviews

Words We Didn’t Write Ourselves

Andrew Abbate 4 weeks ago

Emerald has always been reliable fast and honest for me. They will continue to be my HVAC team.

...

Dave Sage 4 weeks ago

Professional experience

...

kimberly kemp 4 weeks ago

Great job, furnace works well. Would recommend to all! Friendly & knowledge
Had the winter part of my service plan done today. Furnace is still working well. Service tech was friendly & knowledgeable. Great company no problems.
5/27/26 time for ac maintenance no problems, different service tech still knowledgeable & friendly. Happy with the company recommend highly!

...

Karen Wanemaker 4 weeks ago

Great company, local, family owned. Friendly, helpful staff. Technicians are timely and very knowledgeable about HVAC. Everything is explained to you, very professional and neat.

...

victoria mcvay 4 weeks ago

I just had my annual AC check up and the technician Blake was amazing. Professional and polite. He worked efficiently and got the check up done in a timely matter!! Thank you.

...

R.J. Zak 1 month ago

Austin was prompt, thorogh and professional. He listened to my concerns, asked appropriate questions. He checked the entire system not just the outside unit.
He discover the problem and offered several solution options. Once I selected one, he went to work to fix it. He explained all the details of the bill and generously offered me the appropriate discounts. Austin is a keeper!!
I shared with him that going forward, Austin and Emerald are my go to team!!
I will be sharing this story with anyone who will listen to this old man!!!
Enjoy the day!!

...

Brandi Derenda 1 month ago

Austin went above and beyond to fix the problem with furnace. Would always choose Emerald and highly recommend

...

Jim Hoerner 1 month ago

Sebastian was extremely helpful and professional. He took a time to explain everything that was going on in a way that was easy to understand and was very friendly throughout the entire visit. Great customer service.

...

HEATHER WISNIEWSKI 1 month ago

We cannot say enough positive things about Emerald Heating. . Thank you Emerald Heating and especially to Alex for making sure our A/C is in working order for the hot weather season!!!!

...