Electric is fine if sized right, you give no Kw cost for your area. I
pay .125 Kwh and last year apx 1 $ a therm Ng, at that price electric is
apx 2.2x more expensive than Ng. If you have cheap hydro and pay .05 kwh
you may be cheaper with electric with Ng much higher now, only you can
run your local costs or post them. My area produces alot of its
electrical from coal, Ng, and reactors so the only thing holding back
rate increases is time. Few areas have cheaper electric. Get copies of
bills going back many years they may have kept the temps very low. A
heating contractor can do a load calculation for you in writing and give
you costs and options, call out a few heating pros.