Furnace Installation in Salisbury, MD
A new furnace here will run from October through April every year. Tell us about the house, and a licensed contractor who covers Wicomico County will get in touch.
Tell us about the job
It takes about a minute.
Seven months of heat, and winters that test the system
A furnace in Salisbury runs from October through April. That is seven months of the year it has to work, with winter nights averaging 29°F. A new furnace here needs to hold up to that kind of use, not just handle a cold snap now and then.
Most homes in the area heat with electricity, but a gas furnace installed now still has to meet the federal minimum of 80 percent AFUE. Wicomico County has also seen its share of winter storms and damaging wind, and power loss is a real possibility in Maryland. That matters for how a new furnace gets set up and what happens if the power goes out on a cold night.
- 7 months
- October through April, your furnace is on duty
- 29°F
- the average winter night it heats against
- 80% AFUE
- the federal minimum any new unit must meet
NOAA nClimDiv, 1991–2020 normals
Maryland requires HVAC contractors to hold a state license.
The state tested this contractor before handing out that license, and the Board keeps a record of who holds one. It's a credential attached to the contractor, not to this specific furnace installation, so it tells you the person or company doing the work has already met Maryland's standard for the trade.
For the installation itself, Wicomico County is where the rest of the protection sits. Putting in a new furnace means running gas line and venting, and a bad connection there is the dangerous part of the job. Most cities and counties require a permit for a furnace replacement and an inspection once it's done, and that inspection is what checks the gas connection and venting on this particular job, separate from whatever the state license already covers.
Sources: Maryland General Assembly · Maryland Department of Labor
- What size furnace does my house need?
- The right size comes from a heat loss calculation on your house, not the size of the furnace you have now. A contractor looks at your square footage, your insulation, your windows, and your ceiling height, then works out how much heat your house loses on a cold night. With winter lows here averaging 29°F, that calculation matters more than a guess based on your neighbor's house. A furnace that's too big will short cycle and wear out faster. One that's too small will run constantly and still leave rooms cold.
- How do I know it's time to replace my furnace?
- Age is the first thing to check, and a contractor can tell you where yours stands against a normal lifespan. Watch for uneven heat between rooms, a furnace that runs longer to reach the same temperature, or a rise in your heating bills without a reason. If a technician tells you the heat exchanger is cracked, that's a straight replace, not a repair, because a cracked heat exchanger can let exhaust into your air. Since your house needs heat from October through April, a furnace that's struggling now will only get worse once the cold settles in for the winter.
- Is a high-efficiency furnace worth it?
- It depends on how long you plan to stay in the house and how many hours a year your furnace runs. Every non-weatherized gas furnace made since November 19, 2015 has to hit at least 80 percent AFUE by law, so the real choice is between that baseline and a higher-efficiency model above it. With heat needed here seven months out of the year, a furnace that runs that much has more hours over which the higher efficiency makes a difference. A contractor can walk through the actual numbers for your house and your current system before you decide.