We have come up with another review of the best condensing boilers available in the market. To save your time, we have shortlisted the top 10 condensing boilers that offer the ultimate combination of features, performance, and money value. We have tested and reviewed each product personally and therefore made up the list of best condensing boilers which you can easily purchase online.

Our exclusive list would definitely help you in getting sufficient knowledge and understanding of the best condensing boilers out there in the market. Based on our research and experience, we have done a lot of hard work in preparing this list. According to our expert’s advice, Central Heating Wet and Dry (Gas Installer Series – Domestic) is a perfect choice you will never regret buying. It is a great product in terms of design, price, durability, and worthwhile investing money. However, if you are looking for something cheaper in comparison to this, then you can browse through the list below for better options. So, without wasting any more time let’s begin.

For your convenience, the below list shows the best selling condensing boilers currently for sale on Amazon.com. This list is automatically updated daily.

Best condensing boilers

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Product Title
Score

Boiler Max HTG Btu 90K DHW 160K Combi NG
9.9

Central Heating Wet and Dry (Gas Installer Series – Domestic)
9.5

Rinnai Indoor Condensing Gas Boiler / i150SN / NG | LP / 150k BTU /Solo
9.2

Vitodens 100-W, B1KA-125 Wall-Mounted Gas-Fired Condensing Boiler
8.7

Rinnai Indoor Condensing Gas Boiler / i120SN / NG | LP / 120k BTU/Solo
8.4

Rinnai E75CP 75K BTU Propane Condensing Boiler
8.1

Sauermann SI-1801 Centrifugal Tank Pump with Safety Wire for Condensing Boiler/Refrig. Cabinets
7.6

Rheem RTGH-RH11DVLN Prestige Series Professional Condensing Tankless Gas Water Heaters With Built-in Recirculation, Gray
7.4

Viessmann 7820148 Outdoor Sensor #1
7.2

Rinnai RU199iN Tankless Water Heaters, RU199in-Natural Gas/11 GPM
6.8

Image
Product Title

Boiler Max HTG Btu 90K DHW 160K Combi NG

9.9

Central Heating Wet and Dry (Gas Installer Series – Domestic)

9.5

Rinnai Indoor Condensing Gas Boiler / i150SN / NG | LP / 150k BTU /Solo

9.2

Vitodens 100-W, B1KA-125 Wall-Mounted Gas-Fired Condensing Boiler

8.7

Rinnai Indoor Condensing Gas Boiler / i120SN / NG | LP / 120k BTU/Solo

8.4

Rinnai E75CP 75K BTU Propane Condensing Boiler

8.1

Sauermann SI-1801 Centrifugal Tank Pump with Safety Wire for Condensing Boiler/Refrig. Cabinets

7.6

Rheem RTGH-RH11DVLN Prestige Series Professional Condensing Tankless Gas Water Heaters With Built-in Recirculation, Gray

7.4

Viessmann 7820148 Outdoor Sensor #1

7.2

Rinnai RU199iN Tankless Water Heaters, RU199in-Natural Gas/11 GPM

6.8

Boiler Max HTG Btu 90K DHW 160K Combi NG


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Boiler Max HTG Btu 90K DHW 160K Combi NG

$2,444.71  in stock
3 new from $2,444.71
Free shipping
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Amazon.com
as of February 16, 2021 11:31 pm

Features

  • Rinnai M090CN - Natural Gas Condensing Boiler
  • Flexible venting options with approved Concentric, PVC, CPVC, Stainless Steel, Polypropylene (rigid and flex), for single-pipe exhaust, room air and two-pipe systems
  • Stainless steel primary boiler heat exchanger for unmatched performance and durability; Copper nickel integrated DHW plate heat exchanger
  • Compact wall-mounted design saves space over traditional boilers
  • Features an integrated modulating pump, and outdoor reset sensor (in the box)

Central Heating Wet and Dry (Gas Installer Series – Domestic)


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Central Heating Wet and Dry (Gas Installer Series – Domestic)

$10.03  in stock
1 new from $10.03
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Amazon.com
as of February 16, 2021 11:31 pm

Features

Is Adult Product
Release Date2012-06-30T00:00:00.000Z
Edition4
LanguageEnglish
Number Of Pages232
Publication Date2012-06-30T00:00:00.000Z
FormatKindle eBook

Rinnai Indoor Condensing Gas Boiler / i150SN / NG | LP / 150k BTU /Solo


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Rinnai Indoor Condensing Gas Boiler / i150SN / NG | LP / 150k BTU /Solo

$2,643.75
$2,379.37  in stock
3 new from $2,379.37
1 used from $2,289.87
Free shipping
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Amazon.com
as of February 16, 2021 11:31 pm

Features

  • Professional Installation Recommended, call 833-746-6212 for assistance. Rinnai i150SN - Natural Gas Condensing Boiler
  • Package dimension : 10.9" L x 18.5" W x 26.4" H
  • Package weight : 62.0 lbs
  • Product type : PLUMBING FIXTURE

Vitodens 100-W, B1KA-125 Wall-Mounted Gas-Fired Condensing Boiler


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Vitodens 100-W, B1KA-125 Wall-Mounted Gas-Fired Condensing Boiler

$3,250.00  in stock
1 new from $3,250.00
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Amazon.com
as of February 16, 2021 11:31 pm

Features

  • wall-mounted, gas-fired condensing boiler with modulating stainless steel MatriX cylinder burner
  • 125,000 BTU's
  • Reliable and Manufacturer Warranty Backed
  • Made in Germany

Rinnai Indoor Condensing Gas Boiler / i120SN / NG | LP / 120k BTU/Solo


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Rinnai Indoor Condensing Gas Boiler / i120SN / NG | LP / 120k BTU/Solo

$2,411.25
$2,170.13  in stock
3 new from $2,170.13
Buy Now
Amazon.com
as of February 16, 2021 11:31 pm

Features

  • Professional Installation Recommended, call 833-746-6212 for assistance. Rinnai i120SN - Natural Gas Condensing Boiler

Rinnai E75CP 75K BTU Propane Condensing Boiler


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Rinnai E75CP 75K BTU Propane Condensing Boiler

$800.00  in stock
1 new from $800.00
Buy Now
Amazon.com
as of February 16, 2021 11:31 pm

Features

  • 96.5% AFUE rating
  • Stainless steel primary boiler heat exchanger
  • Copper nickel integrated secondary plate exchanger
  • Compact wall-mounted design saves space over traditional boilers
  • Integrated single-speed pump and expansion tank

Sauermann SI-1801 Centrifugal Tank Pump with Safety Wire for Condensing Boiler/Refrig. Cabinets


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Sauermann SI-1801 Centrifugal Tank Pump with Safety Wire for Condensing Boiler/Refrig. Cabinets

$43.99  in stock
3 new from $43.88
1 used from $38.45
Free shipping
Buy Now
Amazon.com
as of February 16, 2021 11:31 pm

Features

  • Can discharge condensates up to 18ft (5.5m) at 50 Hz, 21ft (6.4m) at 60 Hz
  • Up to 132gph (500 l/h), for shorter running time
  • Low sound level, quiet operation
  • Pump can be floor mounted, attached on a wall or hanging from a ceiling
  • Easily removable tank and reversible pump, to allow mounting either on the left or on the right of the application and choosing the side of the water exit

Rheem RTGH-RH11DVLN Prestige Series Professional Condensing Tankless Gas Water Heaters With Built-in Recirculation, Gray


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Rheem RTGH-RH11DVLN Prestige Series Professional Condensing Tankless Gas Water Heaters With Built-in Recirculation, Gray

$1,350.00  in stock
3 new from $1,350.00
Free shipping
Buy Now
Amazon.com
as of February 16, 2021 11:31 pm

Features

  • Exclusive Water Savings technology conserving up to 1, 100 gallons per year
  • 199, 000 BTU (gas consumed per hour)
  • Built-in recirculation pump
  • Instant hot water
  • For use indoor only

Viessmann 7820148 Outdoor Sensor #1


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Viessmann 7820148 Outdoor Sensor #1

$139.65  in stock
3 new from $139.65
Free shipping
Buy Now
Amazon.com
as of February 16, 2021 11:31 pm

Features

  • See long description for list of compatible gas condensing boiler models
  • See long description for list of compatible control models
  • Any adjustments, installations, service or maintenance must be completed by a licensed professional heating contractor who is qualified to work with hot water boilers
  • Check with manufacturer before ordering replacement parts to ensure a proper fit
  • Give the manufacturer the 16-digit boiler serial number or the 12-digit ASME/NB serial number

Rinnai RU199iN Tankless Water Heaters, RU199in-Natural Gas/11 GPM


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Rinnai RU199iN Tankless Water Heaters, RU199in-Natural Gas/11 GPM

$2,054.00
$1,666.50  in stock
4 new from $1,666.50
Free shipping
Buy Now
Amazon.com
as of February 16, 2021 11:31 pm

Features

  • Endless hot water for your entire home
  • RU199in Sensei SE+ Super High Efficiency Tankless Hot Water Heater - Natural Gas: Indoor Installation Only
  • Up to 11 GPM hot water flow rate (varies by groundwater temp)
  • Circ-Logic technology allows you to set recirculation patterns that coincide with your typical habits. Hot water is available when you need it!
  • Residential Factory Warranty - 120 months (heat exchanger), 12 months (labor), 60 months (parts)

All the products mentioned in the list above are efficient in use. It is important to choose the right condensing boilers that offers high quality and long-lasting performance. Finally, you don’t have to search for the best condensing boilers anywhere as any product listed above will do the job.