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Mr. Heater Convection — Review & Specs | Pricepect | Pricepect

Home Space HeatersMr. Heater Convection

Mr. Heater Convection — image 1

Mr. Heater

Mr. Heater Convection

$257.55$304.2715% off

Expert Review Analysis

The Mr. Heater Massachusetts variant is a portable 18,000 BTU propane convection heater designed specifically to comply with state regulations, offering variable heat settings for spaces up to 500 square feet. It features a built-in fan for even heat distribution, multiple safety shutoffs, and compatibility with both 1 lb and 20 lb propane tanks without requiring electricity for operation.

✓ Best for: Massachusetts residents needing compliant propane heating for 1-car garages, workshops, patios, or tents during winter. It is ideal for supplemental garage heat via wall-mounting, outdoor events requiring portable power-free heat, and emergency backup heating.✗ Not ideal for: Whole-house heating or unattended use due to propane safety limits and lack of automated controls. It is also not suitable for users requiring lightweight portability or those outside Massachusetts due to regulatory variant restrictions.

Pros

✓Variable BTU settings allow for efficient energy use at 4,000, 9,000, or 18,000 BTU/hr
✓Built-in convection fan provides even heat distribution across the room

Best Seller Rank History

Now#6,560Best#6,332Worst#6,560 -228

Lower = better sales rank

Specifications

Design

Dimensions (Depth)23.75 inches mm

Dimensions (Width)11.25 inches mm

Dimensions (Height)27 inches mm

Features

ThermostatAdjustable

Control TypeSingle Knob (Hi-Med-Low)

Fan TypeIntegrated Convection Fan

Safety SensorOxygen Depletion Sensor (ODS)

Safety ShutoffHigh-Limit / Tip-Over

General

BrandMr. Heater

ManufacturerMr. Heater Corp.

Model NameF274865

Heater TypeConvection

Fuel TypeLiquid Propane

Performance

BTU Output (Max)18,000 BTU/hr BTU/hr

BTU Output (Medium)9,000 BTU/hr BTU/hr

BTU Output (Low)4,000 BTU/hr BTU/hr

Heating Area400-500 sq ft sq ft

Runtime (Dual Tanks)11 hours minutes

Power

Ignition TypeElectronic (Battery)

Voltage RequirementNone (Propane Powered)

Ignition

Ignition TypeBattery-powered electronic ignition

Safety

Safety SensorsOxygen depletion sensor (ODS) and high-limit shutoff

Controls

Control InterfaceSingle control knob with Hi-Med-Low settings

Dimensions & Weight

Weight83.2 pounds

Research Sources

tractorsupply.com

hellershardware.com

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User Reviews

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✓

Multiple safety features include oxygen depletion sensor and high-limit shutoff

✓Compatible with both 1 lb cylinders and 20 lb tanks for flexible fuel options

✓Wall or floor mounting brackets included for versatile installation options

✓Operates without electricity, relying on battery-powered electronic ignition

Cons

✗Heavy weight of 24.75 lbs makes it less portable than smaller models
✗Short 30-day warranty period compared to industry standards
✗Massachusetts-specific variant limits broader sales and availability
✗No built-in thermostat, remote control, or timer for automated operation
✗High propane consumption rates when operating at maximum 18,000 BTU setting

From Expert Reviews

Praised by Experts

✓High 18,000 BTU output effectively heats 1-car garages and workshops
✓Robust safety systems including ODS and tip-over protection ensure safe operation
✓Convection design offers more even warmth compared to radiant-only models

Criticized by Experts

✗Heavier build quality reduces portability for quick outdoor moves
✗Lacks advanced controls like thermostats or timers found in premium models
✗Regional compliance restrictions limit its use to specific geographic areas

From User Reviews

Users Love

✓Provides reliable and powerful heating for cold garages and workshops
✓Quick warmup time delivers immediate heat upon ignition
✓Easy setup process allows for quick connection to propane tanks
✓Good value for money given the heating power and safety features

Users Complain About

✗Heavier than expected at over 24 lbs, making it cumbersome to carry
✗Occasional ignition issues occur when used in windy outdoor conditions
✗Propane tanks deplete quickly when running at the highest heat setting

Expert Opinion

Professional reviewers and editors highlight the heater's powerful 18,000 BTU output as ideal for heating 1-car garages and workshops up to 500 square feet. They praise the robust safety systems and the ease of use with propane tanks, noting that the convection fan provides even warmth without electricity. The model is considered a strong choice for supplemental heating in spaces where whole-house systems are impractical.

What Users Say

Everyday users rate the product highly, citing its reliability in cold environments and quick warmup capabilities. Common praise focuses on its powerful heating coverage and straightforward tank setup. Recurring complaints involve the unit's unexpected weight, occasional wind-related ignition difficulties, and high fuel consumption at maximum settings.

Common Complaints

Heavier than expected at over 24 lbs. Occasional ignition issues in windy conditions. High propane consumption at maximum setting

How It Compares

vs. Mr. Heater Big Buddy (Standard)

Advantages

✓Offers convection fan for more even heat distribution compared to radiant-only models
✓Specifically designed for Massachusetts regulatory compliance

Disadvantages

✗Heavier and less portable than the standard Big Buddy model
✗Limited availability due to Massachusetts-specific variant restrictions

Choose the Massachusetts variant for compliant, even convection heating in regulated areas, but opt for the standard Big Buddy for better portability and broader availability.

vs. Mr. Heater Cabinet Radiant 18k

Advantages

✓Provides convection warmth for a more uniform room temperature
✓Includes a fan for active heat circulation unlike radiant-only cabinets

Disadvantages

✗Lacks the enclosed cabinet design that protects the burner in dusty workshops
✗Heavier and less compact than the cabinet-style alternative

Choose the convection model for even room heating and patio use, but select the Cabinet Radiant model for dusty workshop environments requiring burner protection.