Recent News & Resources
Read recent HVAC news, updates, and homeowner resources from Cromwell Energy – your local source for home heating oil delivery and HVAC services.
A2Ls Are Here: Understanding the Phase Out of R-410A and New Refrigerant Requirements
Another refrigerant changeout is underway. Yes, this means homeowners and commercial business owners must be prepared for the continued phase-out of older refrigerants. The HVAC industry must phase out R-410A and replace it with A2L refrigerants to comply with new...
What’s the HEATDOC™ Additive? Benefits for Your Oil & Your System
When it comes to keeping your Connecticut home warm and comfortable through our long New England winters, efficiency and reliability matter. That’s why Cromwell Energy offers HEATDOC™, a powerful heating oil additive designed to maximize your system’s performance,...
How to Lower Your Home Heating Bills This Winter in Connecticut
Winters in Connecticut can be long, cold, and expensive—especially when it comes to heating your home. The good news? With the right strategies, you can stay warm and comfortable while keeping your energy bills in check. At Cromwell Energy, we’ve been helping...
Connecticut Homeowner’s Guide to Bioheat® Fuel
When it comes to cutting carbon emissions, many states are taking prompt action. Connecticut is following closely behind Rhode Island in enacting a mandate for all heating oil delivered in the state to contain at least 10% biodiesel (B10 Bioheat®) fuel. This mandate...
8 Signs It May Be Time to Replace Your Home’s Oil Tank
On average, a home’s oil tank in Connecticut will last 15 to 20 years. As your tank reaches that 15-year mark, you will want to pay closer attention to its condition and performance. It may be time to consider a replacement if you notice any of these eight common...
What is a Split System Air Conditioner?
If you have only used window air conditioners, you might feel skeptical about switching to a split system air conditioner (AC). A split system cooling system (or, ductless mini-split) can offer plenty of benefits, but it’s not always the best choice for every living...
Heat Pump vs. Central Air: Choosing the Right Unit For Your Home
Once your air conditioner starts to lose cooling power, it is time to think about a replacement. Fortunately, homeowners have more options in the modern HVAC market. The two most popular types of cooling systems are traditional, central air conditioners and ductless...
8 Possible Reasons Why Your Air Conditioning Is Not Cooling Properly
When your air conditioner loses cooling power, your home will feel too warm and uncomfortable. More importantly, this is often the first sign of a bigger mechanical problem. Whether the cooling issue is something minor, or requires serious AC repairs, knowing how to...
How Many Mini Splits Do I Need in My Home?
If you’re considering a mini split system for your home’s cooling and heating, one of the most important questions to ask is “How many mini splits do I need?” Many different factors go into determining the right system for your needs. Make sure to take these details...
Mitsubishi Heat Pump/Mini Split Maintenance Tips for Homeowners
When you’re getting ready for Connecticut’s seasonal changes, you should take the time to make sure that your home’s heating and cooling systems are ready. Proper Mitsubishi mini split maintenance will help prevent breakdowns and save you more on both energy costs and...
Does Your Air Conditioner Smell Like Mildew? Here’s 7 Common Causes
While the odor of mildew coming from your air conditioner can feel like an embarrassing nuisance, it might also be a sign of a serious problem. If it’s related to a cooling system malfunction, you’ll want to find and fix the cause as quickly as possible. This guide...
How Often Should a Furnace Be Serviced?
Regular furnace maintenance can help keep your family comfortable throughout the year. But how often should you opt for this important service in Connecticut, and when is the best time to schedule an appointment? Here’s what you need to know. When to Schedule Furnace...
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308 Main Street
Cromwell, CT, 06416
(860) 635-1234
Areas Served
Cromwell, CT - 06416
Portland, CT - 06480
Middletown, CT - 06457
Durham, CT - 06422
East Berlin, CT - 06023
Berlin, CT - 06037
South Glastonbury, CT - 06073
Glastonbury, CT - 06033
Middlefield, CT - 06455
East Hampton, CT - 06424
Rocky Hill, CT - 06067
Wethersfield, CT - 06109
West Hartford, CT - 06107
Newington, CT - 06111