

Triangle Tube has been manufacturing energy efficient boilers and combi boilers for over 50 years. Their core technology is a "tank-in-tank" combi boiler design, a name coined by Triangle Tube at the beginning of the 1980's to describe a new type of indirect water heater that is capable of operating at high temperatures and withstanding the negative impact of liming while achieving efficiencies of up to 90.0%† AFUE!
ductless.ca is pleased to announce that we sell and install Triangle Tube Challenger and Prestige Series condensing boilers and combi boilers for your residential and light commercial needs.
The Triangle Tube Challenger Solo series of condensing gas boilers combine attractive design, reliability and high efficiency to become one of the best boilers in the Canadian market. Four sizes of fully modulating boilers are available with rated inputs from 23,000 to 145,000 Btu/h (6.7 to 42.5 kW).

Interior View of Challenger Solo
| Model | CC 85s | CC 105s | CC 125s | CC 150s |
| AFUE | 90.0† | 93% | ||
| Rated CSA Input (Min to Max) |
23,000 to 84,000 Btu/h |
29,000 to 106,000 Btu/h |
33,000 to 124,000 Btu/h |
33,000 to 145,000 Btu/h |
| CSA/DOE Rated Output | 75,000 Btu/h | 94,000 Btu/h | 110,000 Btu/h | 129,000 Btu/h |
| Net (I=B=R) Rated Output | 65,000 Btu/h | 82,000 Btu/h | 96,000 Btu/h | 112,000 Btu/h |
| Maximum Flow Rate | 30.0 l/m | 34.0 l/m | 42.0 l/m | |
| ENERGY STAR® Qualified Unit | Yes | No | ||
| Fuel | Natural gas, LPG | |||

Triangle Tube Challenger copper and aluminum heat exchanger
The Triangle Tube Challenger Combi series of condensing gas boilers offer all of the features of the Challenger Solo series with the benefit of on-demand domestic hot water, without the need for a separate hot water tank. Four sizes of fully modulating boilers are available with rated inputs from 23,000 to 145,000 Btu/h (6.7 to 42.5 kW).
| Model | CC 85 | CC 105 | CC 125 |
| AFUE | 90.0%† | ||
| Continuous DHW Flow Rate at 70 °F (38 °C) ΔT |
2.0 gpm (7.6 l/m) | 2.5 gpm (9.5 l/m) | 3.0 gpm (11.4 l/m) |
| ENERGY STAR Qualified Unit | Yes | ||
| Fuel | Natural gas, LPG | ||
The Triangle Tube Prestige Solo series of condensing gas boilers combine a stainless steel fire tube with a low pressure drop heat exchanger to produce one of the best and highest efficiency boilers on the Canadian market. The Prestige solo series are available in five models ranging from 60,000 to 399,000 Btu/h (17.6 to 116.9 kW).

Interior View of Prestige Solo Fire Combustor
| Model | Solo 60 | Solo 110 | Solo 110 LP | Solo 175 | Solo 250 | Solo 399 |
| AFUE | 90.0%† | 95.1%‡ | ||||
| Rated CSA Input (Min to Max) |
16,000 to 60,000 Btu/h |
30,000 to 110,000 Btu/h |
25,000 to 97,000 Btu/h |
50,000 to 170,000 Btu/h |
65,000 to 245,000 Btu/h |
112,000 to 399,000 Btu/h |
| CSA/DOE Rated Output | 54,000 Btu/h | 99,000 Btu/h | 87,000 Btu/h | 154,000 Btu/h | 223,000 Btu/h | 379,000 Btu/h |
| Net (I=B=R) Rated Output | 47,000 Btu/h | 86,000 Btu/h | 76,000 Btu/h | 134,000 Btu/h | 194,000 Btu/h | 330,000 Btu/h |
| ENERGY STAR Qualified Unit | Yes | |||||
| Fuel | Natural gas, LPG | Natural gas | LPG | Natural gas, LPG | ||
The Triangle Tube Prestige Excellence combi boilers provide all of features of the Triangle Tube Prestige Solo boilers with the added benefit of instant on-demand domestic hot water. Unlike other combi boilers which use secondary heat exchangers, the Triangle Tube Prestige Excellence combi boiler have a built-in indirect fired tank, also known as Triangle Tube's exclusive "Tank-in-Tank" technology.
| Model | EXCELLENCE 110 | EXCELLENCE 110 LP |
| AFUE | 90.0%† | |
| Rated CSA Input (Min to Max) |
30,000 to 110,000 Btu/h |
25,000 to 97,000 Btu/h |
| CSA/DOE Rated Output | 99,000 Btu/h | 87,000 Btu/h |
| Net (I=B=R) Rated Output | 86,000 Btu/h | 76,000 Btu/h |
| Continuous DHW Flow Rate at 70 °F (38 °C) ΔT |
3.0 gpm (11.4 l/m) | |
| ENERGY STAR Qualified Unit | Yes | |
| Fuel | Natural gas | LPG |
†The AFUE ratings have been reduced to 90.0% pending AHRI's determination whether corrected testing procedures are necessary. For more information please see AHRI's press release.
‡Thermal efficiency.