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Step one: define the space and supply
Start with what you are heating and what fuel you can reliably get. Note the square footage, how open the layout is, whether a chimney or vent path exists, and whether gas lines run to the property. Then check local availability of cordwood, pellets or piped gas, plus where you could store fuel dry. Example: a 1,100 square foot home with an open living area, an existing masonry chimney and no gas line points toward wood or pellet, while gas becomes a costly extra project rather than a simple choice.
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Step two: weigh daily effort against cost
Next compare the work each option asks of you. Wood needs hauling, stacking, loading and ash removal, but fuel can be inexpensive if you have a source. Pellets need bag handling and a hopper refill, with steadier burn and often a thermostat. Gas needs almost no daily effort but depends on a line and a supplier. In the example household, a retired couple with time and a woodlot may accept wood chores, while a busy family could prefer pellet convenience. Write effort as a rating from one to five beside purchase and installation estimates.
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Step three: check safety, rules and follow-up
Finish by confirming what must be inspected or approved before you buy. Ask a qualified installer about clearances, venting, carbon monoxide alarms and local permit rules, and ask your insurer whether a new appliance changes your policy. Request written quotes covering installation and yearly servicing. In the example, the family leaning toward pellet gets two quotes, compares annual cleaning costs, and schedules the install before the cold season. Keep a one-page summary of scores and answers so your final choice rests on documented facts, not on a showroom impression.