Former Florida Gov. Jeb Bush and his super PAC are set to dominate the TV airwaves between now and the Granite State primary, reserving more than $14 million in commercials on both New Hampshire and Boston stations — including two Super Bowl spots — the Herald has learned.

It’s a clear sign that Bush operatives, despite criticism over already spending more than $35 million nationally on commercials for just 4 percent in the polls, are doubling down on a strategy of massive TV buys.

Bush’s forces plan to spend ?$14.1 million on ads on TV stations in New Hampshire and Boston leading up to the primary, compared to $6.1 million by Florida Sen. Marco Rubio and his super PAC, Conservative Solutions, according to a Herald review of federal filings and interviews with campaign media buyers.

New Jersey Gov. Chris Christie’s super PAC, America Leads, is slated to spend $4.9 million, while Ohio Gov. John Kasich’s super PAC, New Day for America, reserved $1.4 million in ad space.

But the political bombardment — especially in a cycle with so many candidates on the ballot — may only make it harder for campaigns to stand out, said Tobe Berkovitz of Boston University, a former political media buyer.

“Unless you come out with a really good ad, most of this is like water off the back of a duck,” Berkovitz said. “You get to the point of sheer tonnage that it’s hard to break through the clutter.”

Bush, who’s struggled to shine with his debate skills, appears to be banking on TV to better convey his message.

Bush’s independent super PAC Right to Rise has already reserved two 30-second ads during the Super Bowl — which will be played just two days before the New Hampshire primary — on Boston CBS affiliate WBZ at a total cost of $600,000.

Right to Rise has also blocked off ad space in Boston during the NHL Winter Classic, the Golden Globes and multiple NFL playoff games in January.

Bush will also have a huge presence on New Hampshire powerhouse affiliate WMUR.

Both the Bush campaign and his super PAC have reserved a combined 253 TV spots on WMUR at a cost of $459,830 the week before the New Hampshire primary, according to filings.

That includes 10 ads a day from 5 to 8 p.m. on weeknights on WMUR during, among others, local news, ABC World News Tonight, Chronicle NH and Inside Edition.

On the Tuesday before the primary, Bush and Right to Rise have blocked off a total of 24 ads in an 8-hour window from ?5 p.m. to 1 a.m. on WMUR, according to filings.

Rubio will also flood TV the weekend before the primary. On WMUR alone, Rubio and his super PAC Conservative Solutions have reserved 62 ad spots that Saturday and Sunday.

Conservative Solutions has also reserved a 30-second Super Bowl ad on WBZ, according to filings.

Andy Smith of the University of New Hampshire suggested there’s a simple “untold” motivator for buying Super Bowl ads — the commission (typically 15 percent) the media firms get from each sale.

“Fifteen percent of a couple-million-dollar ad during the Super Bowl is a whole lot better than 15 percent of an ad on Saturday morning on WMUR,” Smith said. “There’s money to be made by people running the campaigns, and you can’t forget about that.”