Friday, January 15, 2021

Regency Energy U31 Medium B-Vent Gas Insert

Regency Energy U31 Medium B-Vent Gas Insert

The Regency Energy U31 is a B-Vent gas insert that excels at heating medium sized areas with efficiency and style.

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The Regency Energy U31 insert is an efficient heating choice for any medium sized space. The different style options let you make the insert you want while still having the appearance of a real wood fire.


  • Heat radiating ceramic glass
  • Log set
  • Platnium infused embers
  • Variable speed blower
  • Height controls
  • B-Vent
  • Operates on natural gas or propane


Model U31 Natural Gas U31 Propane
Maximum BTU 30,000 27,500
Turn Down BTU 20,600 22,000
Efficiency 76% 76%
EnerGuide Rating 52.90% 48.07%
View Area 361 sq. in.
Room Size Medium
Vent Type B-Vent
Warranty Limited Lifetime
Minimum Fireplace Opening (Contour Faceplate or Full Screen Door)
Width (Front) 26.5"
Width (Back) 22.5"
Height 21"
Depth 15"

Regency Energy U31 Medium B-Vent Gas Insert

Regency Energy U31 Medium B-Vent Gas Insert
Model Price
Choose Faceplate (Required)
Low Profile 3-sided Faceplate (40-3/4 ” W x 23-15/16” H) $434
Contour Standard (26-1/8"H x 40-1/8"W) $287
Contour Oversize (28-1/8"H x 44-1/8"W) $315

Fixed Shipping rate $100.00

Please call or email for a price quote and specify the model you are interested in and your zip code.  One of our sales associates will be glad to answer your inquiry.

Freight truck deliveries may be on a truck that is over 60' long.  Please inquire with our sales staff if you have specific shipping needs such as international, freight terminal and/or business deliveries or if you need a smaller size truck.  Click here to see Obadiah's Shipping Terms.

Obadiah's offer's a 20% discount and free shipping on most complete chimney systems. Email our chimney specialists for an exact quote.

Regency Energy U31 Insert Video


Heat Area (sq.ft.)
Fireplace Specific Options





Cooktop Material

Water Heating Options

Flue Orientation


Venting (Gas Stoves)


Viewing Area

Interior Style